private void RemoveJobs(String printerName)
{
IntPtr hPrinter;
PrinterMonitorInstallerPInvoke.PRINTER_DEFAULTS defaults = new PrinterMonitorInstallerPInvoke.PRINTER_DEFAULTS
{
DesiredAccess = 0x000F000C, //PRINTER_ALL_ACCESS
pDatatype = IntPtr.Zero,
pDevMode = IntPtr.Zero
};
if (PrinterMonitorInstallerPInvoke.OpenPrinter(printerName, out hPrinter, ref defaults) == false)
{
int errno = Marshal.GetLastWin32Error();
throw new Win32Exception(errno);
}
if (hPrinter == IntPtr.Zero)
{
int errno = Marshal.GetLastWin32Error();
throw new Win32Exception(errno);
}
//3 == PRINTER_CONTROL_PURGE => Entfernt alle Jobs!
if (PrinterMonitorInstallerPInvoke.SetPrinter(hPrinter, 0, IntPtr.Zero, PrinterMonitorInstallerPInvoke.PRINTER_CONTROL_PURGE) == false)
{
int errno = Marshal.GetLastWin32Error();
throw new Win32Exception(errno);
}
if (PrinterMonitorInstallerPInvoke.ClosePrinter(hPrinter) == false)
{
int errno = Marshal.GetLastWin32Error();
throw new Win32Exception(errno);
}
}
private void UninstallPrinter(String printerName)
{
IntPtr hPrinter;
PrinterMonitorInstallerPInvoke.PRINTER_DEFAULTS defaults = new PrinterMonitorInstallerPInvoke.PRINTER_DEFAULTS
{
DesiredAccess = 0x000F000C, //PRINTER_ALL_ACCESS
pDatatype = IntPtr.Zero,
pDevMode = IntPtr.Zero
};
if (PrinterMonitorInstallerPInvoke.OpenPrinter(printerName, out hPrinter, ref defaults) == false)
{
int errno = Marshal.GetLastWin32Error();
throw new Win32Exception(errno);
}
if (hPrinter == IntPtr.Zero)
{
int errno = Marshal.GetLastWin32Error();
throw new Win32Exception(errno);
}
if (PrinterMonitorInstallerPInvoke.DeletePrinter(hPrinter) == false)
{
int errno = Marshal.GetLastWin32Error();
throw new Win32Exception(errno);
}
if (PrinterMonitorInstallerPInvoke.ClosePrinter(hPrinter) == false)
{
int errno = Marshal.GetLastWin32Error();
throw new Win32Exception(errno);
}
}