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fix for Win64 after last sizeof(OPENFILENAME) change

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38873 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2006-04-21 13:24:39 +00:00
parent cd7afaff0c
commit 04227efc4d
1 changed files with 16 additions and 16 deletions
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32
src/msw/filedlg.cpp
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@@ -229,20 +229,20 @@ static bool DoShowCommFileDialog(OPENFILENAME *of, long style, DWORD *err)
return false;
}
// Basically, the problem is that we need to use the "new" size of the
// OPENFILENAME structure
// (OPENFILENAME_SIZE_VERSION_400 + void* + DWORD + DWORD)
// in Windows 2000 and XP so that the new-style file dialog with the
// "Places Bar" shows up. Unfortunately, there seems to be no reliable way
// to test for it in the headers, so we need to always make one
// with the extra bytes.
// We want to use OPENFILENAME struct version 5 (Windows 2000/XP) but we don't
// know if the OPENFILENAME declared in the currently used headers is a V5 or
// V4 (smaller) one so we try to manually extend the struct in case it is the
// old one.
//
// We don't do this on Windows CE, however.
#ifdef __WXWINCE__
// We don't do this on Windows CE nor under Win64, however, as there are no
// compilers with old headers for these architectures
#if defined(__WXWINCE__) || defined(__WIN64__)
typedef OPENFILENAME wxOPENFILENAME;
static const DWORD wxOPENFILENAME_V5_SIZE = sizeof(OPENFILENAME);
#else // !__WXWINCE__
static const DWORD gs_ofStructSize = sizeof(OPENFILENAME);
#else // !__WXWINCE__ || __WIN64__
#define wxTRY_SMALLER_OPENFILENAME
struct wxOPENFILENAME : public OPENFILENAME
{
// fields added in Windows 2000/XP comdlg32.dll version
@@ -258,10 +258,10 @@ static bool DoShowCommFileDialog(OPENFILENAME *of, long style, DWORD *err)
// this is hardcoded sizeof(OPENFILENAME_NT4) from Platform SDK
static const DWORD wxOPENFILENAME_V4_SIZE = 76;
#endif // __WXWINCE__/!__WXWINCE__
// always try the new one first
static DWORD gs_ofStructSize = wxOPENFILENAME_V5_SIZE;
// always try the new one first
static DWORD gs_ofStructSize = wxOPENFILENAME_V5_SIZE;
#endif // __WXWINCE__ || __WIN64__/!...
int wxFileDialog::ShowModal()
{
@@ -438,7 +438,7 @@ int wxFileDialog::ShowModal()
DWORD errCode;
bool success = DoShowCommFileDialog(&of, m_dialogStyle, &errCode);
#ifndef __WXWINCE__
#ifdef wxTRY_SMALLER_OPENFILENAME
// the system might be too old to support the new version file dialog
// boxes, try with the old size
if ( !success && errCode == CDERR_STRUCTSIZE &&
@@ -454,7 +454,7 @@ int wxFileDialog::ShowModal()
gs_ofStructSize = of.lStructSize;
}
}
#endif // !__WXWINCE__
#endif // wxTRY_SMALLER_OPENFILENAME
if ( success )
{