Public Property MMToPixelX() As Double

public double MMToPixelX {get; set;}

 public void SaveRealSizeImage(Control drawingControl)
 {
 	Stream str = File.OpenRead(@".\test.dwg");														
 	CADImage cadImage = new CADImport.DWG.DWGImage();
 	cadImage.LoadFromStream(str);								
 	str.Close();
 	DRect tmpRect = new DRect(0, 0, 1, 1);
 	cadImage.SetNewMMToPixel(drawingControl.CreateGraphics());
 	double realScaleDouble = this.cadImage.AbsWidth / this.cadImage.MMToPixelX;			
 	tmpRect.Width = tmpRect.Width * realScaleDouble;
 	tmpRect.Height = tmpRect.Height * realScaleDouble;	
 	this.cadImage.SaveToFile(@"result.jpg", ImageFormat.Jpeg, tmpRect);
 }