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70 lines
1.7 KiB
ObjectPascal
70 lines
1.7 KiB
ObjectPascal
(*
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Name: CommonControls
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Copyright: Copyright (C) SIL International.
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Documentation:
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Description:
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Create Date: 4 Jun 2007
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Modified Date: 23 Aug 2007
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Authors: mcdurdin
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Related Files:
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Dependencies:
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Bugs:
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Todo:
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Notes:
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History: 04 Jun 2007 - mcdurdin - Initial version
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23 Aug 2007 - mcdurdin - Initial version from Desktop
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*)
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unit CommonControls;
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interface
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function InitCommonControl(CC: Integer): Boolean;
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implementation
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uses
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Windows;
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type
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tagINITCOMMONCONTROLSEX = packed record
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dwSize: DWORD; // size of this structure
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dwICC: DWORD; // flags indicating which classes to be initialized
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end;
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PInitCommonControlsEx = ^TInitCommonControlsEx;
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TInitCommonControlsEx = tagINITCOMMONCONTROLSEX;
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var
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ComCtl32DLL: THandle;
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_InitCommonControlsEx: function(var ICC: TInitCommonControlsEx): Bool stdcall;
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procedure InitCommonControls; external comctl32 name 'InitCommonControls';
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procedure InitComCtl;
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begin
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if ComCtl32DLL = 0 then
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begin
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ComCtl32DLL := GetModuleHandle(comctl32);
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if ComCtl32DLL <> 0 then
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@_InitCommonControlsEx := GetProcAddress(ComCtl32DLL, 'InitCommonControlsEx');
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end;
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end;
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function InitCommonControlsEx(var ICC: TInitCommonControlsEx): Bool;
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begin
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if ComCtl32DLL = 0 then InitComCtl;
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Result := Assigned(_InitCommonControlsEx) and _InitCommonControlsEx(ICC);
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end;
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function InitCommonControl(CC: Integer): Boolean;
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var
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ICC: TInitCommonControlsEx;
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begin
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ICC.dwSize := SizeOf(TInitCommonControlsEx);
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ICC.dwICC := CC;
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Result := InitCommonControlsEx(ICC);
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if not Result then InitCommonControls;
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end;
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end.
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