private int ConfigureSmart50(int nres)
{
SmartComm2.SMART_DEVMODE smdm;
IntPtr smdm_ptr;
// alloc
smdm_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(SmartComm2.SMART_DEVMODE)));
// get current printer settings...
if (nres == SmartComm2.SM_SUCCESS)
{
nres = SmartComm2.SmartComm_GetPrinterSettings((long)hsmartprinterid, (int)smdm_ptr);
}
// set to both printing...
smdm = (SmartComm2.SMART_DEVMODE)Marshal.PtrToStructure(smdm_ptr, typeof(SmartComm2.SMART_DEVMODE));
smdm.dmDevmode.dmOrientation = DMORIENT_LANDSCAPE; // set landscape printing...
smdm.dmOemdev.dwDocPrintSide = SmartComm2.SMART_PRINTSIDE_BOTH;
Marshal.StructureToPtr(smdm, smdm_ptr, true);
// change printer settings...
if (nres == SmartComm2.SM_SUCCESS)
{
nres = SmartComm2.SmartComm_SetPrinterSettings((long)hsmartprinterid, (int)smdm_ptr);
}
// free smart printer
Marshal.FreeHGlobal(smdm_ptr);
return(nres);
}