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Applied better/Win98-proof method of getting edit window

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62076 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart 2009-09-24 13:33:41 +00:00
parent 2d512c47df
commit e558f9533e
1 changed files with 23 additions and 7 deletions
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30
src/msw/combobox.cpp
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@ -443,16 +443,32 @@ WXHWND wxComboBox::GetEditHWNDIfAvailable() const
// to keep one version of the code for all platforms and fix it later if
// problems are discovered
#ifndef __WXWINCE__
COMBOBOXINFO info;
info.cbSize = sizeof(COMBOBOXINFO);
typedef BOOL (WINAPI *GetComboBoxInfo_t)(HWND, COMBOBOXINFO*);
static GetComboBoxInfo_t s_pfnGetComboBoxInfo = NULL;
static bool s_triedToLoad = false;
if ( !s_triedToLoad )
{
s_triedToLoad = true;
wxLoadedDLL dllUser32("user32.dll");
wxDL_INIT_FUNC(s_pfn, GetComboBoxInfo, dllUser32);
}
if ( s_pfnGetComboBoxInfo )
{
WinStruct<COMBOBOXINFO> info;
(*s_pfnGetComboBoxInfo)(GetHwnd(), &info);
return info.hwndItem;
}
if (HasFlag(wxCB_SIMPLE))
{
POINT pt;
pt.x = pt.y = 4;
return (WXHWND) ::ChildWindowFromPoint(GetHwnd(), pt);
}
GetComboBoxInfo(GetHwnd(), & info);
return info.hwndItem;
#else
// we assume that the only child of the combobox is the edit window
return (WXHWND)::GetWindow(GetHwnd(), GW_CHILD);
#endif
}
WXHWND wxComboBox::GetEditHWND() const