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150 lines
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<div id="projectname">WinStd
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<div id="projectbrief">Windows Win32 API using Standard C++</div>
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<div class="headertitle"><div class="title">WinStd </div></div>
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<div class="contents">
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<div class="textblock"><p ><a class="anchor" id="md_README"></a> Provides templates and function helpers for Windows Win32 API using Standard C++ in Microsoft Visual C++ 2017-2019</p>
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<h1><a class="anchor" id="autotoc_md1"></a>
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Features</h1>
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<h2><a class="anchor" id="autotoc_md2"></a>
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Portable</h2>
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<p >This project does not require building. Just <code>#include</code> individual files from this repository into your source code and get started.</p>
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<h2><a class="anchor" id="autotoc_md3"></a>
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Memory and Resource Helper Classes</h2>
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<p >Simplify memory and resource management. The classes release memory and resources automatically. They are like <em>smart-pointers</em> for various Windows resources. Once created, you use the class instance as a snap-in replacement for pointers/handles parameters in the standard Win32 API function calls.</p>
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<h3><a class="anchor" id="autotoc_md4"></a>
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Example</h3>
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<div class="fragment"><div class="line"> {C++}</div>
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<div class="line">// Load and set icon.</div>
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<div class="line">winstd::library lib_shell32(LoadLibraryEx(_T("shell32.dll"), NULL, LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_IMAGE_RESOURCE));</div>
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<div class="line">if (!lib_shell32)</div>
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<div class="line"> throw winstd::win_runtime_error("LoadLibraryEx failed");</div>
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<div class="line">m_note_icon->SetIcon(wxLoadIconFromResource(lib_shell32, MAKEINTRESOURCE(48)));</div>
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</div><!-- fragment --><h2><a class="anchor" id="autotoc_md5"></a>
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Functions and Templates</h2>
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<p >Different Win32 API functions have different ways of returning variable-sized data. Getting tired of carefully studying MSDN for each particular Win32 API function how to preallocate the output memory correctly? We too...</p>
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<p >WinStd provides a subset of Win32 API identically named functions (C++ polymorphism to the rescue), where one can use <code>std::string</code>, <code>std::wstring</code>, <code>std::vector<></code> etc. as an output parameter. WinStd handles all the dirty work with memory allocation for you, so you can focus on your code.</p>
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<h3><a class="anchor" id="autotoc_md6"></a>
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Example</h3>
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<div class="fragment"><div class="line"> {C++}</div>
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<div class="line">// Encode response as OEM.</div>
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<div class="line">std::string response;</div>
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<div class="line">WideCharToMultiByte(CP_OEMCP, 0, L"Copyright \u00A9 2017", -1, response, NULL, NULL);</div>
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<div class="line">std::cout << response.c_str() << std::endl;</div>
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</div><!-- fragment --><h2><a class="anchor" id="autotoc_md7"></a>
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String Formatters</h2>
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<p >For those situations where one must quckly compose a temporary string using <code><a class="el" href="group___win_std_str_format.html#gac397f655a858a069b3e521940af64331" title="Formats string using printf().">sprintf()</a></code> or <code><a class="el" href="group___win_std_str_format.html#ga78bf19793ce080f2826f56f228d64623" title="Formats a message string.">FormatMessage()</a></code>. Or, convert a GUID to a string on the fly.</p>
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<h3><a class="anchor" id="autotoc_md8"></a>
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Example</h3>
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<div class="fragment"><div class="line"> {C++}</div>
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<div class="line">if (dwMaxSendPacketSize < sizeof(EapPacket))</div>
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<div class="line"> throw std::invalid_argument(</div>
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<div class="line"> winstd::string_printf(</div>
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<div class="line"> "Maximum packet size too small (minimum: %zu, available: %u).",</div>
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<div class="line"> sizeof(EapPacket) + 1,</div>
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<div class="line"> dwMaxSendPacketSize));</div>
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</div><!-- fragment --><h1><a class="anchor" id="autotoc_md9"></a>
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What WinStd Is Not</h1>
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<p >WinStd is not trying to be a full-fledged object-oriented framework on top of Win32 API. We have Microsoft to publish those once every few years - and obsolete it when they loose interest. WinStd aims at augmenting Win32 API with a little bit of help from C++.</p>
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<h1><a class="anchor" id="autotoc_md10"></a>
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Usage</h1>
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<ol type="1">
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<li>Clone the repository into your solution folder.</li>
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<li>Add WinStd's <code>include</code> folder to <em>Additional Include Directories</em> in your project's C/C++ settings.</li>
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<li>Include <code>.h</code> files from WinStd as needed: <div class="fragment"><div class="line"> {C++}</div>
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<div class="line">#include <WinStd/Shell.h></div>
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<div class="line">#include <string></div>
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<div class="line">#include <iostream></div>
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<div class="line"> </div>
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<div class="line">using namespace std;</div>
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<div class="line"> </div>
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<div class="line">void main()</div>
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<div class="line">{</div>
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<div class="line"> wstring path;</div>
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<div class="line"> PathCanonicalizeW(path, L"C:\\Windows\\Temp\\test\\..");</div>
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<div class="line"> wcout << path.c_str() << endl;</div>
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<div class="line">}</div>
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</div><!-- fragment --></li>
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</ol>
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<p >An auto-generated documentation is <a href="https://amebis.github.io/WinStd/">here</a>.</p>
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<p >More examples and use-cases can be found in <a href="https://github.com/Amebis/GEANTLink">GÉANTLink</a> and <a href="https://github.com/Amebis/ZRCola">ZRCola</a> projects source code. They make heavy use of WinStd. Examples can also be found in the <code>UnitTests</code> project.</p>
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<p >This is a one-man project for the time being, so the Win32 API support is far from complete. It is added as needed. Contributions are welcome. </p>
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