void CreateGraphicsFromNativeHdc(int width, int height)
{
win32MemDc = new NativeWin32MemoryDc(width, height, true);
win32MemDc.PatBlt(NativeWin32MemoryDc.PatBltColor.White);
win32MemDc.SetBackTransparent(true);
win32MemDc.SetClipRect(0, 0, width, height);
this.originalHdc = win32MemDc.DC;
//--------------
//set default font and default text color
this.CurrentFont = new RequestFont("tahoma", 14);
this.CurrentTextColor = Color.Black;
//--------------
}