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Allow accessing 64 bit registry from 32 bit MSW code and vice versa.

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Implement support for KEY_WOW64_32KEY and KEY_WOW64_64KEY in wxRegKey code.

Closes #10792.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66851 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2011-02-06 01:01:01 +00:00
parent e615d356fc
commit a5c468483d
5 changed files with 302 additions and 59 deletions
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42
include/wx/msw/registry.h
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@@ -66,6 +66,22 @@ public:
Write // read and write
};
// Different registry views supported under WOW64.
enum WOW64ViewMode
{
// 32 bit registry for 32 bit applications, 64 bit registry
// for 64 bit ones.
WOW64ViewMode_Default,
// Can be used in 64 bit apps to access 32 bit registry,
// has no effect (i.e. treated as default) in 32 bit apps.
WOW64ViewMode_32,
// Can be used in 32 bit apps to access 64 bit registry,
// has no effect (i.e. treated as default) in 64 bit apps.
WOW64ViewMode_64
};
// information about standard (predefined) registry keys
// number of standard keys
static const size_t nStdKeys;
@@ -82,11 +98,17 @@ public:
// ctors
// root key is set to HKCR (the only root key under Win16)
wxRegKey();
wxRegKey(WOW64ViewMode viewMode = WOW64ViewMode_Default);
// strKey is the full name of the key (i.e. starting with HKEY_xxx...)
wxRegKey(const wxString& strKey);
wxRegKey(const wxString& strKey,
WOW64ViewMode viewMode = WOW64ViewMode_Default);
// strKey is the name of key under (standard key) keyParent
wxRegKey(StdKey keyParent, const wxString& strKey);
wxRegKey(StdKey keyParent,
const wxString& strKey,
WOW64ViewMode viewMode = WOW64ViewMode_Default);
// strKey is the name of key under (previously created) keyParent
wxRegKey(const wxRegKey& keyParent, const wxString& strKey);
// dtor closes the key
@@ -105,6 +127,8 @@ public:
// get infomation about the key
// get the (full) key name. Abbreviate std root keys if bShortPrefix.
wxString GetName(bool bShortPrefix = true) const;
// Retrieves the registry view used by this key.
WOW64ViewMode GetView() const { return m_viewMode; }
// return true if the key exists
bool Exists() const;
// get the info about key (any number of these pointers may be NULL)
@@ -235,12 +259,12 @@ private:
wxString FormatValue(const wxString& name) const;
WXHKEY m_hKey, // our handle
m_hRootKey; // handle of the top key (i.e. StdKey)
wxString m_strKey; // key name (relative to m_hRootKey)
AccessMode m_mode; // valid only if key is opened
long m_dwLastError; // last error (0 if none)
WXHKEY m_hKey, // our handle
m_hRootKey; // handle of the top key (i.e. StdKey)
wxString m_strKey; // key name (relative to m_hRootKey)
WOW64ViewMode m_viewMode; // which view to select under WOW64
AccessMode m_mode; // valid only if key is opened
long m_dwLastError; // last error (0 if none)
wxDECLARE_NO_COPY_CLASS(wxRegKey);