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procedure CreateParams(var Params: TCreateParams);override;
procedure TForm2.CreateParams(var Params: TCreateParams);
begin
inherited;
Params.WndParent := 0;
end;


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HANDLE CreateMutex(
¡¡¡¡LPSECURITY_ATTRIBUTES lpMutexAttributes, // SD
¡¡¡¡BOOL bInitialOwner, // initial owner
¡¡¡¡LPCTSTR lpName // object name
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function CreateMutex(lpMutexAttributes: PSecurityAttributes; bInitialOwner: BOOL; lpName: PChar): THandle; stdcall;
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LeftStr(Dstr, 5) := ’Delph’ 
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