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avoid warnings C4311/4312 when building with MSVC >= 7 (patch 1414052)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37399 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2006-02-08 22:32:42 +00:00
parent 3cf545c76c
commit 5489227348
2 changed files with 13 additions and 26 deletions
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17
include/wx/msw/wrapwin.h
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@@ -64,20 +64,17 @@
#include "wx/msw/winundef.h"
// types DWORD_PTR, ULONG_PTR and so on might be not defined in old headers but
// unfortunately I don't know of any standard way to test for this (as they're
// typedefs and not #defines), so simply overwrite them in any case in Win32
// mode -- and if compiling for Win64 they'd better have new headers anyhow
//
// this is ugly but what else can we do? even testing for compiler version
// wouldn't help as you can perfectly well be using an older compiler (VC6)
// with newer SDK headers
#if !defined(__WIN64__) && !defined(__WXWINCE__)
// Types DWORD_PTR, ULONG_PTR and so on are used for 64-bit compatability
// in the WINAPI SDK (they are an integral type that is the size of a
// pointer) on MSVC 7 and later. However, they are not available in older
// Platform SDKs, and since they are typedefs and not #defines we simply
// overwrite them if there is a chance that they're not defined
#if !defined(_MSC_VER) || (_MSC_VER < 1300)
#define UINT_PTR unsigned int
#define LONG_PTR long
#define ULONG_PTR unsigned long
#define DWORD_PTR unsigned long
#endif // !__WIN64__
#endif // !defined(_MSC_VER) || _MSC_VER < 1300
#endif // _WX_WRAPWIN_H_