agerlic

[UnmanagedFunctionPointer(CallingConvention.StdCall, SetLastError = true)]
public delegate Int32 DStartDocW(IntPtr hPrinter, IntPtr di);

[DllImport("Gdi32.dll", EntryPoint = "StartDocW", SetLastError = true, CallingConvention = CallingConvention.StdCall)]
public static extern Int32 StartDocW(IntPtr hPrinter, IntPtr di);

//hook
public Int32 StartDocW_Hooked(IntPtr InPrinterHandle, IntPtr InData)
{
  //create XML file