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<div id="projectbrief">Windows Win32 API using Standard C++</div>
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_6f50bb204833d887b928571856c82fbe.html">WinStd</a></li> </ul>
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<div class="headertitle"><div class="title">MSI.h</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> SPDX-License-Identifier: MIT</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> Copyright © 1991-2022 Amebis</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> Copyright © 2016 GÉANT</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">*/</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span> </div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &quot;Common.h&quot;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;MsiQuery.h&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax&gt;</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"><a class="line" href="group___win_std_m_s_i_a_p_i.html#ga7a5853cf74ed8adb1b5cd1289c39e385"> 21</a></span><span class="keyword">static</span> UINT <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga7a5853cf74ed8adb1b5cd1289c39e385">MsiGetPropertyA</a>(_In_ MSIHANDLE hInstall, _In_z_ LPCSTR szName, _Inout_ std::basic_string&lt;char, _Traits, _Ax&gt; &amp;sValue)</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span>{</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> assert(0); <span class="comment">// TODO: Test this code.</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <span class="keywordtype">char</span> szStackBuffer[<a class="code hl_define" href="group___win_std_general.html#ga3ca39107a61bbcd05f901898ec584986">WINSTD_STACK_BUFFER_BYTES</a>/<span class="keyword">sizeof</span>(char)];</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> DWORD dwSize = _countof(szStackBuffer);</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> UINT uiResult;</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// Try with stack buffer first.</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga7a5853cf74ed8adb1b5cd1289c39e385">::MsiGetPropertyA</a>(hInstall, szName, szStackBuffer, &amp;dwSize);</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keywordflow">if</span> (uiResult == ERROR_SUCCESS) {</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// Copy from stack.</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> sValue.assign(szStackBuffer, dwSize);</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keywordflow">return</span> ERROR_SUCCESS;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (uiResult == ERROR_MORE_DATA) {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// Allocate buffer on heap to read the string data into and read it.</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> std::unique_ptr&lt;char[]&gt; szBuffer(<span class="keyword">new</span> <span class="keywordtype">char</span>[++dwSize]);</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga7a5853cf74ed8adb1b5cd1289c39e385">::MsiGetPropertyA</a>(hInstall, szName, szBuffer.get(), &amp;dwSize);</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> sValue.assign(szBuffer.get(), uiResult == ERROR_SUCCESS ? dwSize : 0);</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// Return error code.</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> }</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>}</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax&gt;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"><a class="line" href="group___win_std_m_s_i_a_p_i.html#ga32e20a17013eb7660fda19f2b1de389d"> 53</a></span><span class="keyword">static</span> UINT <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga32e20a17013eb7660fda19f2b1de389d">MsiGetPropertyW</a>(_In_ MSIHANDLE hInstall, _In_z_ LPCWSTR szName, _Inout_ std::basic_string&lt;wchar_t, _Traits, _Ax&gt; &amp;sValue)</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span>{</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordtype">wchar_t</span> szStackBuffer[<a class="code hl_define" href="group___win_std_general.html#ga3ca39107a61bbcd05f901898ec584986">WINSTD_STACK_BUFFER_BYTES</a>/<span class="keyword">sizeof</span>(wchar_t)];</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> DWORD dwSize = _countof(szStackBuffer);</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> UINT uiResult;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// Try with stack buffer first.</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga32e20a17013eb7660fda19f2b1de389d">::MsiGetPropertyW</a>(hInstall, szName, szStackBuffer, &amp;dwSize);</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">if</span> (uiResult == ERROR_SUCCESS) {</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// Copy from stack.</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> sValue.assign(szStackBuffer, dwSize);</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">return</span> ERROR_SUCCESS;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (uiResult == ERROR_MORE_DATA) {</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// Allocate buffer on heap to read the string data into and read it.</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> std::unique_ptr&lt;wchar_t[]&gt; szBuffer(<span class="keyword">new</span> <span class="keywordtype">wchar_t</span>[++dwSize]);</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga32e20a17013eb7660fda19f2b1de389d">::MsiGetPropertyW</a>(hInstall, szName, szBuffer.get(), &amp;dwSize);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> sValue.assign(szBuffer.get(), uiResult == ERROR_SUCCESS ? dwSize : 0);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// Return error code.</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> }</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span>}</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax&gt;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"><a class="line" href="group___win_std_m_s_i_a_p_i.html#gaedc818f42d945e54f6956c928b3ffc29"> 79</a></span><span class="keyword">static</span> UINT <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#gaedc818f42d945e54f6956c928b3ffc29">MsiRecordGetStringA</a>(_In_ MSIHANDLE hRecord, _In_ <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> iField, _Inout_ std::basic_string&lt;char, _Traits, _Ax&gt; &amp;sValue)</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>{</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> assert(0); <span class="comment">// TODO: Test this code.</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordtype">char</span> szStackBuffer[<a class="code hl_define" href="group___win_std_general.html#ga3ca39107a61bbcd05f901898ec584986">WINSTD_STACK_BUFFER_BYTES</a>/<span class="keyword">sizeof</span>(char)];</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> DWORD dwSize = _countof(szStackBuffer);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> UINT uiResult;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="comment">// Try with stack buffer first.</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#gaedc818f42d945e54f6956c928b3ffc29">::MsiRecordGetStringA</a>(hRecord, iField, szStackBuffer, &amp;dwSize);</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">if</span> (uiResult == ERROR_SUCCESS) {</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// Copy from stack.</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> sValue.assign(szStackBuffer, dwSize);</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">return</span> ERROR_SUCCESS;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (uiResult == ERROR_MORE_DATA) {</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="comment">// Allocate buffer on heap to read the string data into and read it.</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> std::unique_ptr&lt;char[]&gt; szBuffer(<span class="keyword">new</span> <span class="keywordtype">char</span>[++dwSize]);</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#gaedc818f42d945e54f6956c928b3ffc29">::MsiRecordGetStringA</a>(hRecord, iField, szBuffer.get(), &amp;dwSize);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> sValue.assign(szBuffer.get(), uiResult == ERROR_SUCCESS ? dwSize : 0);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// Return error code.</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span>}</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax&gt;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"><a class="line" href="group___win_std_m_s_i_a_p_i.html#ga487c38b4353054a4e518ca01d1397cf6"> 111</a></span><span class="keyword">static</span> UINT <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga487c38b4353054a4e518ca01d1397cf6">MsiRecordGetStringW</a>(_In_ MSIHANDLE hRecord, _In_ <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> iField, _Inout_ std::basic_string&lt;wchar_t, _Traits, _Ax&gt; &amp;sValue)</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span>{</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordtype">wchar_t</span> szStackBuffer[<a class="code hl_define" href="group___win_std_general.html#ga3ca39107a61bbcd05f901898ec584986">WINSTD_STACK_BUFFER_BYTES</a>/<span class="keyword">sizeof</span>(wchar_t)];</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> DWORD dwSize = _countof(szStackBuffer);</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> UINT uiResult;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// Try with stack buffer first.</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga487c38b4353054a4e518ca01d1397cf6">::MsiRecordGetStringW</a>(hRecord, iField, szStackBuffer, &amp;dwSize);</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">if</span> (uiResult == ERROR_SUCCESS) {</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// Copy from stack.</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> sValue.assign(szStackBuffer, dwSize);</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">return</span> ERROR_SUCCESS;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (uiResult == ERROR_MORE_DATA) {</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="comment">// Allocate buffer on heap to read the string data into and read it.</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> std::unique_ptr&lt;wchar_t[]&gt; szBuffer(<span class="keyword">new</span> <span class="keywordtype">wchar_t</span>[++dwSize]);</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga487c38b4353054a4e518ca01d1397cf6">::MsiRecordGetStringW</a>(hRecord, iField, szBuffer.get(), &amp;dwSize);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> sValue.assign(szBuffer.get(), uiResult == ERROR_SUCCESS ? dwSize : 0);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="comment">// Return error code.</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> }</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span>}</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax&gt;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"><a class="line" href="group___win_std_m_s_i_a_p_i.html#ga7cb245425b74bdf9b89c754636486f0c"> 137</a></span><span class="keyword">static</span> UINT <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga7cb245425b74bdf9b89c754636486f0c">MsiFormatRecordA</a>(_In_opt_ MSIHANDLE hInstall, _In_ MSIHANDLE hRecord, _Inout_ std::basic_string&lt;char, _Traits, _Ax&gt; &amp;sValue)</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span>{</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> assert(0); <span class="comment">// TODO: Test this code.</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordtype">char</span> szStackBuffer[<a class="code hl_define" href="group___win_std_general.html#ga3ca39107a61bbcd05f901898ec584986">WINSTD_STACK_BUFFER_BYTES</a>/<span class="keyword">sizeof</span>(char)];</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> DWORD dwSize = _countof(szStackBuffer);</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> UINT uiResult;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="comment">// Try with stack buffer first.</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga7cb245425b74bdf9b89c754636486f0c">::MsiFormatRecordA</a>(hInstall, hRecord, szStackBuffer, &amp;dwSize);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">if</span> (uiResult == ERROR_SUCCESS) {</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="comment">// Copy from stack.</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> sValue.assign(szStackBuffer, dwSize);</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">return</span> ERROR_SUCCESS;</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (uiResult == ERROR_MORE_DATA) {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// Allocate buffer on heap to format the string data into and read it.</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> std::unique_ptr&lt;char[]&gt; szBuffer(<span class="keyword">new</span> <span class="keywordtype">char</span>[++dwSize]);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga7cb245425b74bdf9b89c754636486f0c">::MsiFormatRecordA</a>(hInstall, hRecord, szBuffer.get(), &amp;dwSize);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> sValue.assign(szBuffer.get(), uiResult == ERROR_SUCCESS ? dwSize : 0);</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="comment">// Return error code.</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span>}</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax&gt;</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"><a class="line" href="group___win_std_m_s_i_a_p_i.html#ga016f87f038892fe3121a2dd5232468d2"> 169</a></span><span class="keyword">static</span> UINT <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga016f87f038892fe3121a2dd5232468d2">MsiFormatRecordW</a>(_In_opt_ MSIHANDLE hInstall, _In_ MSIHANDLE hRecord, _Inout_ std::basic_string&lt;wchar_t, _Traits, _Ax&gt; &amp;sValue)</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span>{</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordtype">wchar_t</span> szStackBuffer[<a class="code hl_define" href="group___win_std_general.html#ga3ca39107a61bbcd05f901898ec584986">WINSTD_STACK_BUFFER_BYTES</a>/<span class="keyword">sizeof</span>(wchar_t)];</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> DWORD dwSize = _countof(szStackBuffer);</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> UINT uiResult;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// Try with stack buffer first.</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga016f87f038892fe3121a2dd5232468d2">::MsiFormatRecordW</a>(hInstall, hRecord, szStackBuffer, &amp;dwSize);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keywordflow">if</span> (uiResult == ERROR_SUCCESS) {</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// Copy from stack.</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> sValue.assign(szStackBuffer, dwSize);</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordflow">return</span> ERROR_SUCCESS;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (uiResult == ERROR_MORE_DATA) {</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="comment">// Allocate buffer on heap to format the string data into and read it.</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> std::unique_ptr&lt;wchar_t[]&gt; szBuffer(<span class="keyword">new</span> <span class="keywordtype">wchar_t</span>[++dwSize]);</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga016f87f038892fe3121a2dd5232468d2">::MsiFormatRecordW</a>(hInstall, hRecord, szBuffer.get(), &amp;dwSize);</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> sValue.assign(szBuffer.get(), uiResult == ERROR_SUCCESS ? dwSize : 0);</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="comment">// Return error code.</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> }</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span>}</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> _Ty, <span class="keyword">class</span> _Ax&gt;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"><a class="line" href="group___win_std_m_s_i_a_p_i.html#ga83052d8dfbdf437cc45e6a4b46357036"> 199</a></span><span class="keyword">static</span> UINT <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga83052d8dfbdf437cc45e6a4b46357036">MsiRecordReadStream</a>(_In_ MSIHANDLE hRecord, _In_ <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> iField, _Inout_ std::vector&lt;_Ty, _Ax&gt; &amp;binData)</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span>{</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> assert(0); <span class="comment">// TODO: Test this code.</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> DWORD dwSize = 0;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> UINT uiResult;</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="comment">// Query the actual data length first.</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga83052d8dfbdf437cc45e6a4b46357036">::MsiRecordReadStream</a>(hRecord, iField, NULL, &amp;dwSize);</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">if</span> (uiResult == ERROR_SUCCESS) {</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> binData.resize((dwSize + <span class="keyword">sizeof</span>(_Ty) - 1) / <span class="keyword">sizeof</span>(_Ty));</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> return ::MsiRecordReadStream(hRecord, iField, <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span>(binData.data()), &amp;dwSize);</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="comment">// Return error code.</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> }</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span>}</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax&gt;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"><a class="line" href="group___win_std_m_s_i_a_p_i.html#ga340ee7efbd658e2d6ecfb199c41856bc"> 219</a></span><span class="keyword">static</span> UINT <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga340ee7efbd658e2d6ecfb199c41856bc">MsiGetTargetPathA</a>(_In_ MSIHANDLE hInstall, _In_z_ LPCSTR szFolder, _Out_ std::basic_string&lt;char, _Traits, _Ax&gt; &amp;sValue)</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span>{</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> assert(0); <span class="comment">// TODO: Test this code.</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordtype">char</span> szStackBuffer[<a class="code hl_define" href="group___win_std_general.html#ga3ca39107a61bbcd05f901898ec584986">WINSTD_STACK_BUFFER_BYTES</a>/<span class="keyword">sizeof</span>(char)];</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> DWORD dwSize = _countof(szStackBuffer);</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> UINT uiResult;</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// Try with stack buffer first.</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga340ee7efbd658e2d6ecfb199c41856bc">::MsiGetTargetPathA</a>(hInstall, szFolder, szStackBuffer, &amp;dwSize);</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">if</span> (uiResult == ERROR_SUCCESS) {</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="comment">// Copy from stack.</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> sValue.assign(szStackBuffer, dwSize);</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keywordflow">return</span> ERROR_SUCCESS;</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (uiResult == ERROR_MORE_DATA) {</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="comment">// Allocate buffer on heap to format the string data into and read it.</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> std::unique_ptr&lt;char[]&gt; szBuffer(<span class="keyword">new</span> <span class="keywordtype">char</span>[++dwSize]);</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga340ee7efbd658e2d6ecfb199c41856bc">::MsiGetTargetPathA</a>(hInstall, szFolder, szBuffer.get(), &amp;dwSize);</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> sValue.assign(szBuffer.get(), uiResult == ERROR_SUCCESS ? dwSize : 0);</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="comment">// Return error code.</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> }</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span>}</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax&gt;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"><a class="line" href="group___win_std_m_s_i_a_p_i.html#ga51696a19fb4b748eed04fa3b6a8f9eca"> 251</a></span><span class="keyword">static</span> UINT <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga51696a19fb4b748eed04fa3b6a8f9eca">MsiGetTargetPathW</a>(_In_ MSIHANDLE hInstall, _In_z_ LPCWSTR szFolder, _Inout_ std::basic_string&lt;wchar_t, _Traits, _Ax&gt; &amp;sValue)</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span>{</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keywordtype">wchar_t</span> szStackBuffer[<a class="code hl_define" href="group___win_std_general.html#ga3ca39107a61bbcd05f901898ec584986">WINSTD_STACK_BUFFER_BYTES</a>/<span class="keyword">sizeof</span>(wchar_t)];</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> DWORD dwSize = _countof(szStackBuffer);</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> UINT uiResult;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="comment">// Try with stack buffer first.</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga51696a19fb4b748eed04fa3b6a8f9eca">::MsiGetTargetPathW</a>(hInstall, szFolder, szStackBuffer, &amp;dwSize);</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">if</span> (uiResult == ERROR_SUCCESS) {</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="comment">// Copy from stack.</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> sValue.assign(szStackBuffer, dwSize);</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="keywordflow">return</span> ERROR_SUCCESS;</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (uiResult == ERROR_MORE_DATA) {</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="comment">// Allocate buffer on heap to format the string data into and read it.</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> std::unique_ptr&lt;wchar_t[]&gt; szBuffer(<span class="keyword">new</span> <span class="keywordtype">wchar_t</span>[++dwSize]);</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> uiResult = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga51696a19fb4b748eed04fa3b6a8f9eca">::MsiGetTargetPathW</a>(hInstall, szFolder, szBuffer.get(), &amp;dwSize);</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> sValue.assign(szBuffer.get(), uiResult == ERROR_SUCCESS ? dwSize : 0);</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="comment">// Return error code.</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">return</span> uiResult;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> }</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span>}</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax&gt;</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"><a class="line" href="group___win_std_m_s_i_a_p_i.html#ga41c26288267e69f5bba73f9b125bf2a3"> 277</a></span><span class="keyword">static</span> INSTALLSTATE <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga41c26288267e69f5bba73f9b125bf2a3">MsiGetComponentPathA</a>(_In_z_ LPCSTR szProduct, _In_z_ LPCSTR szComponent, _Inout_ std::basic_string&lt;char, _Traits, _Ax&gt; &amp;sValue)</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span>{</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordtype">char</span> szStackBuffer[<a class="code hl_define" href="group___win_std_general.html#ga3ca39107a61bbcd05f901898ec584986">WINSTD_STACK_BUFFER_BYTES</a>/<span class="keyword">sizeof</span>(char)];</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> DWORD dwSize = _countof(szStackBuffer);</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> INSTALLSTATE state;</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="comment">// Try with stack buffer first.</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> state = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga41c26288267e69f5bba73f9b125bf2a3">::MsiGetComponentPathA</a>(szProduct, szComponent, szStackBuffer, &amp;dwSize);</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keywordflow">if</span> (state &gt;= INSTALLSTATE_BROKEN) {</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="comment">// Copy from stack.</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> sValue.assign(szStackBuffer, dwSize);</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordflow">return</span> state;</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (state == INSTALLSTATE_MOREDATA) {</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="comment">// Allocate buffer on heap to format the string data into and read it.</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> std::unique_ptr&lt;char[]&gt; szBuffer(<span class="keyword">new</span> <span class="keywordtype">char</span>[++dwSize]);</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> state = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#ga41c26288267e69f5bba73f9b125bf2a3">::MsiGetComponentPathA</a>(szProduct, szComponent, szBuffer.get(), &amp;dwSize);</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> sValue.assign(szBuffer.get(), state &gt;= INSTALLSTATE_BROKEN ? dwSize : 0);</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="keywordflow">return</span> state;</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="comment">// Return error code.</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keywordflow">return</span> state;</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> }</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span>}</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> </div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Ax&gt;</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"><a class="line" href="group___win_std_m_s_i_a_p_i.html#gac4be55d9d370a31e064787675c518c58"> 307</a></span><span class="keyword">static</span> INSTALLSTATE <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#gac4be55d9d370a31e064787675c518c58">MsiGetComponentPathW</a>(_In_z_ LPCWSTR szProduct, _In_z_ LPCWSTR szComponent, _Inout_ std::basic_string&lt;wchar_t, _Traits, _Ax&gt; &amp;sValue)</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span>{</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="keywordtype">wchar_t</span> szStackBuffer[<a class="code hl_define" href="group___win_std_general.html#ga3ca39107a61bbcd05f901898ec584986">WINSTD_STACK_BUFFER_BYTES</a>/<span class="keyword">sizeof</span>(wchar_t)];</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> DWORD dwSize = _countof(szStackBuffer);</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> INSTALLSTATE state;</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="comment">// Try with stack buffer first.</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> state = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#gac4be55d9d370a31e064787675c518c58">::MsiGetComponentPathW</a>(szProduct, szComponent, szStackBuffer, &amp;dwSize);</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keywordflow">if</span> (state &gt;= INSTALLSTATE_BROKEN) {</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="comment">// Copy from stack.</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> sValue.assign(szStackBuffer, dwSize);</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">return</span> state;</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (state == INSTALLSTATE_MOREDATA) {</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="comment">// Allocate buffer on heap to format the string data into and read it.</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> std::unique_ptr&lt;wchar_t[]&gt; szBuffer(<span class="keyword">new</span> <span class="keywordtype">wchar_t</span>[++dwSize]);</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> state = <a class="code hl_function" href="group___win_std_m_s_i_a_p_i.html#gac4be55d9d370a31e064787675c518c58">::MsiGetComponentPathW</a>(szProduct, szComponent, szBuffer.get(), &amp;dwSize);</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> sValue.assign(szBuffer.get(), state &gt;= INSTALLSTATE_BROKEN ? dwSize : 0);</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keywordflow">return</span> state;</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="comment">// Return error code.</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="keywordflow">return</span> state;</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> }</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span>}</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> </div>
<div class="ttc" id="agroup___win_std_general_html_ga3ca39107a61bbcd05f901898ec584986"><div class="ttname"><a href="group___win_std_general.html#ga3ca39107a61bbcd05f901898ec584986">WINSTD_STACK_BUFFER_BYTES</a></div><div class="ttdeci">#define WINSTD_STACK_BUFFER_BYTES</div><div class="ttdoc">Size of the stack buffer in bytes used for initial system function call.</div><div class="ttdef"><b>Definition:</b> Common.h:93</div></div>
<div class="ttc" id="agroup___win_std_m_s_i_a_p_i_html_ga016f87f038892fe3121a2dd5232468d2"><div class="ttname"><a href="group___win_std_m_s_i_a_p_i.html#ga016f87f038892fe3121a2dd5232468d2">MsiFormatRecordW</a></div><div class="ttdeci">static UINT MsiFormatRecordW(MSIHANDLE hInstall, MSIHANDLE hRecord, std::basic_string&lt; wchar_t, _Traits, _Ax &gt; &amp;sValue)</div><div class="ttdoc">Formats record field data and properties using a format string and stores it in a std::wstring string...</div><div class="ttdef"><b>Definition:</b> MSI.h:169</div></div>
<div class="ttc" id="agroup___win_std_m_s_i_a_p_i_html_ga32e20a17013eb7660fda19f2b1de389d"><div class="ttname"><a href="group___win_std_m_s_i_a_p_i.html#ga32e20a17013eb7660fda19f2b1de389d">MsiGetPropertyW</a></div><div class="ttdeci">static UINT MsiGetPropertyW(MSIHANDLE hInstall, LPCWSTR szName, std::basic_string&lt; wchar_t, _Traits, _Ax &gt; &amp;sValue)</div><div class="ttdoc">Gets the value for an installer property and stores it in a std::wstring string.</div><div class="ttdef"><b>Definition:</b> MSI.h:53</div></div>
<div class="ttc" id="agroup___win_std_m_s_i_a_p_i_html_ga340ee7efbd658e2d6ecfb199c41856bc"><div class="ttname"><a href="group___win_std_m_s_i_a_p_i.html#ga340ee7efbd658e2d6ecfb199c41856bc">MsiGetTargetPathA</a></div><div class="ttdeci">static UINT MsiGetTargetPathA(MSIHANDLE hInstall, LPCSTR szFolder, std::basic_string&lt; char, _Traits, _Ax &gt; &amp;sValue)</div><div class="ttdoc">Returns the full target path for a folder in the Directory table and stores it in a std::wstring stri...</div><div class="ttdef"><b>Definition:</b> MSI.h:219</div></div>
<div class="ttc" id="agroup___win_std_m_s_i_a_p_i_html_ga41c26288267e69f5bba73f9b125bf2a3"><div class="ttname"><a href="group___win_std_m_s_i_a_p_i.html#ga41c26288267e69f5bba73f9b125bf2a3">MsiGetComponentPathA</a></div><div class="ttdeci">static INSTALLSTATE MsiGetComponentPathA(LPCSTR szProduct, LPCSTR szComponent, std::basic_string&lt; char, _Traits, _Ax &gt; &amp;sValue)</div><div class="ttdoc">Returns the full path to an installed component. If the key path for the component is a registry key ...</div><div class="ttdef"><b>Definition:</b> MSI.h:277</div></div>
<div class="ttc" id="agroup___win_std_m_s_i_a_p_i_html_ga487c38b4353054a4e518ca01d1397cf6"><div class="ttname"><a href="group___win_std_m_s_i_a_p_i.html#ga487c38b4353054a4e518ca01d1397cf6">MsiRecordGetStringW</a></div><div class="ttdeci">static UINT MsiRecordGetStringW(MSIHANDLE hRecord, unsigned int iField, std::basic_string&lt; wchar_t, _Traits, _Ax &gt; &amp;sValue)</div><div class="ttdoc">Returns the string value of a record field and stores it in a std::wstring string.</div><div class="ttdef"><b>Definition:</b> MSI.h:111</div></div>
<div class="ttc" id="agroup___win_std_m_s_i_a_p_i_html_ga51696a19fb4b748eed04fa3b6a8f9eca"><div class="ttname"><a href="group___win_std_m_s_i_a_p_i.html#ga51696a19fb4b748eed04fa3b6a8f9eca">MsiGetTargetPathW</a></div><div class="ttdeci">static UINT MsiGetTargetPathW(MSIHANDLE hInstall, LPCWSTR szFolder, std::basic_string&lt; wchar_t, _Traits, _Ax &gt; &amp;sValue)</div><div class="ttdoc">Returns the full target path for a folder in the Directory table and stores it in a std::wstring stri...</div><div class="ttdef"><b>Definition:</b> MSI.h:251</div></div>
<div class="ttc" id="agroup___win_std_m_s_i_a_p_i_html_ga7a5853cf74ed8adb1b5cd1289c39e385"><div class="ttname"><a href="group___win_std_m_s_i_a_p_i.html#ga7a5853cf74ed8adb1b5cd1289c39e385">MsiGetPropertyA</a></div><div class="ttdeci">static UINT MsiGetPropertyA(MSIHANDLE hInstall, LPCSTR szName, std::basic_string&lt; char, _Traits, _Ax &gt; &amp;sValue)</div><div class="ttdoc">Gets the value for an installer property and stores it in a std::wstring string.</div><div class="ttdef"><b>Definition:</b> MSI.h:21</div></div>
<div class="ttc" id="agroup___win_std_m_s_i_a_p_i_html_ga7cb245425b74bdf9b89c754636486f0c"><div class="ttname"><a href="group___win_std_m_s_i_a_p_i.html#ga7cb245425b74bdf9b89c754636486f0c">MsiFormatRecordA</a></div><div class="ttdeci">static UINT MsiFormatRecordA(MSIHANDLE hInstall, MSIHANDLE hRecord, std::basic_string&lt; char, _Traits, _Ax &gt; &amp;sValue)</div><div class="ttdoc">Formats record field data and properties using a format string and stores it in a std::wstring string...</div><div class="ttdef"><b>Definition:</b> MSI.h:137</div></div>
<div class="ttc" id="agroup___win_std_m_s_i_a_p_i_html_ga83052d8dfbdf437cc45e6a4b46357036"><div class="ttname"><a href="group___win_std_m_s_i_a_p_i.html#ga83052d8dfbdf437cc45e6a4b46357036">MsiRecordReadStream</a></div><div class="ttdeci">static UINT MsiRecordReadStream(MSIHANDLE hRecord, unsigned int iField, std::vector&lt; _Ty, _Ax &gt; &amp;binData)</div><div class="ttdoc">Reads bytes from a record stream field into a std::vector buffer.</div><div class="ttdef"><b>Definition:</b> MSI.h:199</div></div>
<div class="ttc" id="agroup___win_std_m_s_i_a_p_i_html_gac4be55d9d370a31e064787675c518c58"><div class="ttname"><a href="group___win_std_m_s_i_a_p_i.html#gac4be55d9d370a31e064787675c518c58">MsiGetComponentPathW</a></div><div class="ttdeci">static INSTALLSTATE MsiGetComponentPathW(LPCWSTR szProduct, LPCWSTR szComponent, std::basic_string&lt; wchar_t, _Traits, _Ax &gt; &amp;sValue)</div><div class="ttdoc">Returns the full path to an installed component. If the key path for the component is a registry key ...</div><div class="ttdef"><b>Definition:</b> MSI.h:307</div></div>
<div class="ttc" id="agroup___win_std_m_s_i_a_p_i_html_gaedc818f42d945e54f6956c928b3ffc29"><div class="ttname"><a href="group___win_std_m_s_i_a_p_i.html#gaedc818f42d945e54f6956c928b3ffc29">MsiRecordGetStringA</a></div><div class="ttdeci">static UINT MsiRecordGetStringA(MSIHANDLE hRecord, unsigned int iField, std::basic_string&lt; char, _Traits, _Ax &gt; &amp;sValue)</div><div class="ttdoc">Returns the string value of a record field and stores it in a std::wstring string.</div><div class="ttdef"><b>Definition:</b> MSI.h:79</div></div>
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