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win32: add IsProcessDPIAware function

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git-svn-id: trunk@28171 -
This commit is contained in:
paul 2010-11-10 03:30:14 +00:00
parent e8dc95ab80
commit 61ed016376
1 changed files with 11 additions and 0 deletions
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11
lcl/interfaces/win32/win32extra.pas
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@ -84,6 +84,7 @@ var
SetLayeredWindowAttributes: function (HWND: hwnd; crKey: COLORREF; bAlpha: byte; dwFlags: DWORD): BOOL; stdcall;
UpdateLayeredWindow: function(hWnd: HWND; hdcDst: HDC; pptDst: PPoint; psize: PSize;
hdcSrc: HDC; pptSrc: PPoint; crKey: COLORREF; pblend: PBlendFunction; dwFlags: DWORD): BOOL; stdcall;
IsProcessDPIAware: function: BOOL; stdcall;
const
// ComCtlVersions
@ -561,6 +562,11 @@ begin
Result := False;
end;
function _IsProcessDPIAware: BOOL; stdcall;
begin
Result := False;
end;
const
msimg32lib = 'msimg32.dll';
user32lib = 'user32.dll';
@ -613,6 +619,7 @@ begin
Pointer(GetWindowInfo) := @_GetWindowInfo;
Pointer(SetLayeredWindowAttributes) := @_SetLayeredWindowAttributes;
Pointer(UpdateLayeredWindow) := @_UpdateLayeredWindow;
Pointer(IsProcessDPIAware) := @_IsProcessDPIAware;
user32handle := LoadLibrary(user32lib);
if user32handle <> 0 then
@ -636,6 +643,10 @@ begin
p := GetProcAddress(user32handle, 'UpdateLayeredWindow');
if p <> nil
then Pointer(UpdateLayeredWindow) := p;
p := GetProcAddress(user32handle, 'IsProcessDPIAware');
if p <> nil
then Pointer(IsProcessDPIAware) := p;
end;
// Defaults