Saving Images

Different file formats (.bmp .png .wmf .jpg .emf)

Bitmap

System.Drawing.Bitmap oBitmap; 
oBitmap = New System.Drawing.Bitmap("c:\temp\test.bmp") 

PNG

System.Drawing.Bitmap oBitmap; 
oBitmap.Save("c:\temp\test.png, System.Drawing.Imaging.ImageFormat.Png);