mirror of
https://github.com/moparisthebest/Simba
synced 2024-11-22 17:22:21 -05:00
6f80c64d9c
git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@38 3f818213-9676-44b0-a9b4-5e4c4e03d09d
97 lines
2.1 KiB
ObjectPascal
97 lines
2.1 KiB
ObjectPascal
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unit uPSR_comobj;
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{$I PascalScript.inc}
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interface
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uses
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uPSRuntime, uPSUtils;
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procedure RIRegister_ComObj(cl: TPSExec);
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implementation
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uses
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{$IFDEF DELPHI3UP}
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ComObj;
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{$ELSE}
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SysUtils, Ole2;
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{$ENDIF}
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{$IFNDEF DELPHI3UP}
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{$IFDEF DELPHI3UP }
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resourceString
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{$ELSE }
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const
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{$ENDIF }
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RPS_OLEError = 'OLE error %.8x';
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function OleErrorMessage(ErrorCode: HResult): String;
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begin
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Result := SysErrorMessage(ErrorCode);
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if Result = '' then
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Result := Format(RPS_OLEError, [ErrorCode]);
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end;
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procedure OleError(ErrorCode: HResult);
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begin
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raise Exception.Create(OleErrorMessage(ErrorCode));
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end;
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procedure OleCheck(Result: HResult);
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begin
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if Result < 0 then OleError(Result);
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end;
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procedure CreateOleObject(const ClassName: string; var Disp: IDispatch);
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var
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OldDisp: IDispatch;
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ClassID: TCLSID;
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WideCharBuf: array[0..127] of WideChar;
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begin
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StringToWideChar(ClassName, WideCharBuf, SizeOf(WideCharBuf) div SizeOf(WideCharBuf[0]));
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OleCheck(CLSIDFromProgID(WideCharBuf, ClassID));
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if Disp <> nil then
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begin
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OldDisp := Disp;
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Disp := nil;
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OldDisp.Release;
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end;
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OleCheck(CoCreateInstance(ClassID, nil, CLSCTX_INPROC_SERVER or
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CLSCTX_LOCAL_SERVER, IID_IDispatch, Disp));
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end;
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procedure GetActiveOleObject(const ClassName: string; var Disp: IDispatch);
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var
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Unknown: IUnknown;
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OldDisp: IDispatch;
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ClassID: TCLSID;
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WideCharBuf: array[0..127] of WideChar;
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begin
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StringToWideChar(ClassName, WideCharBuf, SizeOf(WideCharBuf) div SizeOf(WideCharBuf[0]));
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OleCheck(CLSIDFromProgID(WideCharBuf, ClassID));
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OleCheck(GetActiveObject(ClassID, nil, Unknown));
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try
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if Disp <> nil then
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begin
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OldDisp := Disp;
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Disp := nil;
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OldDisp.Release;
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end;
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OleCheck(Unknown.QueryInterface(IID_IDispatch, Disp));
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finally
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Unknown.Release;
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end;
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end;
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{$ENDIF}
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procedure RIRegister_ComObj(cl: TPSExec);
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begin
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cl.RegisterDelphiFunction(@CreateOleObject, 'CREATEOLEOBJECT', cdRegister);
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cl.RegisterDelphiFunction(@GetActiveOleObject, 'GETACTIVEOLEOBJECT', cdRegister);
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end;
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end.
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