private int PrepareCardText(int nres)
{
// drawing routines are followed....
// draw image to front page
string strImg;
IntPtr strImg_ptr;
SmartComm2.RECT rcDraws;
IntPtr rcDraws_ptr;
// draw text to front page
string strText;
IntPtr strText_ptr;
string strFont;
IntPtr strFont_ptr;
strText = textToPrintOnCard;
strText_ptr = Marshal.StringToHGlobalUni(strText);
strFont = "Tahoma";
strFont_ptr = Marshal.StringToHGlobalUni(strFont);
rcDraws_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(SmartComm2.RECT)));
if (nres == SmartComm2.SM_SUCCESS)
{
nres = SmartComm2.SmartComm_DrawText((long)hsmartprinterid, System.Convert.ToByte(SmartComm2.PAGE_FRONT), System.Convert.ToByte(SmartComm2.PANEL_BLACK), 90, 480, (long)strFont_ptr, 11, SmartComm2.FONT_BOLD, (long)strText_ptr, (long)rcDraws_ptr);
}
Marshal.FreeHGlobal(strText_ptr);
Marshal.FreeHGlobal(strFont_ptr);
Marshal.FreeHGlobal(rcDraws_ptr);
return(nres);
}