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unit uPSR_comobj;
{$I PascalScript.inc}
interface
uses
uPSRuntime, uPSUtils;
procedure RIRegister_ComObj(cl: TPSExec);
implementation
{$IFDEF FPC}
{$IFDEF PS_FPC_HAS_COM}
uses SysUtils, ComObj;
{$ENDIF}
{$ELSE}
{$IFDEF DELPHI3UP}
uses ComObj;
{$ELSE}
uses SysUtils, Ole2;
{$ENDIF}
{$ENDIF}
{$IFNDEF DELPHI3UP}
{$IFDEF DELPHI3UP }
resourceString
{$ELSE }
const
{$ENDIF }
RPS_OLEError = 'OLE error %.8x';
function OleErrorMessage(ErrorCode: HResult): String;
begin
Result := SysErrorMessage(ErrorCode);
if Result = '' then
Result := Format(RPS_OLEError, [ErrorCode]);
end;
procedure OleError(ErrorCode: HResult);
begin
raise Exception.Create(OleErrorMessage(ErrorCode));
end;
procedure OleCheck(Result: HResult);
begin
if Result < 0 then OleError(Result);
end;
procedure CreateOleObject(const ClassName: string; var Disp: IDispatch);
var
OldDisp: IDispatch;
ClassID: TCLSID;
WideCharBuf: array[0..127] of WideChar;
begin
StringToWideChar(ClassName, WideCharBuf, SizeOf(WideCharBuf) div SizeOf(WideCharBuf[0]));
OleCheck(CLSIDFromProgID(WideCharBuf, ClassID));
if Disp <> nil then
begin
OldDisp := Disp;
Disp := nil;
OldDisp.Release;
end;
OleCheck(CoCreateInstance(ClassID, nil, CLSCTX_INPROC_SERVER or
CLSCTX_LOCAL_SERVER, IID_IDispatch, Disp));
end;
procedure GetActiveOleObject(const ClassName: string; var Disp: IDispatch);
var
Unknown: IUnknown;
OldDisp: IDispatch;
ClassID: TCLSID;
WideCharBuf: array[0..127] of WideChar;
begin
StringToWideChar(ClassName, WideCharBuf, SizeOf(WideCharBuf) div SizeOf(WideCharBuf[0]));
OleCheck(CLSIDFromProgID(WideCharBuf, ClassID));
OleCheck(GetActiveObject(ClassID, nil, Unknown));
try
if Disp <> nil then
begin
OldDisp := Disp;
Disp := nil;
OldDisp.Release;
end;
OleCheck(Unknown.QueryInterface(IID_IDispatch, Disp));
finally
Unknown.Release;
end;
end;
{$ENDIF}
procedure RIRegister_ComObj(cl: TPSExec);
begin
{$IFDEF FPC}
{$IFDEF PS_FPC_HAS_COM}
cl.RegisterDelphiFunction(@OleCheck, 'OleCheck', cdRegister);
cl.RegisterDelphiFunction(@StringToGUID, 'StringToGUID', cdRegister);
cl.RegisterDelphiFunction(@CreateComObject, 'CreateComObject', cdRegister);
cl.RegisterDelphiFunction(@CreateOleObject, 'CreateOleObject', cdRegister);
cl.RegisterDelphiFunction(@GetActiveOleObject, 'GetActiveOleObject', cdRegister);
{$ENDIF}
{$ELSE}
cl.RegisterDelphiFunction(@OleCheck, 'OleCheck', cdRegister);
{$IFNDEF PS_NOINTERFACES}
{$IFDEF DELPHI3UP}
cl.RegisterDelphiFunction(@StringToGUID, 'StringToGUID', cdRegister);
cl.RegisterDelphiFunction(@CreateComObject, 'CreateComObject', cdRegister);
{$ENDIF}
{$ENDIF}
cl.RegisterDelphiFunction(@CreateOleObject, 'CreateOleObject', cdRegister);
cl.RegisterDelphiFunction(@GetActiveOleObject, 'GetActiveOleObject', cdRegister);
{$ENDIF}
end;
end.
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