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procedure TForm1.Button1Click(Sender: TObject); var s : array[0..64] of char; begin WriteProfileString('PrinterPorts', 'DriverName', 'DRVFILE,FILE:,15,45'); WriteProfileString('Devices', 'DriverName', 'DRVFILE,FILE:'); StrCopy(S, 'PrinterPorts'); SendMessage(HWND_BROADCAST, WM_WININICHANGE, 0, LongInt(@S)); StrCopy(S, 'Devices'); SendMessage(HWND_BROADCAST, WM_WININICHANGE, 0, LongInt(@S)); end; |
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