WPF Bitmap转BitmapSource，Image

//引用：
using System.Windows.Interop; //Imaging
using System.Drawing; //Bitmap

public static Imaging.BitmapSource ConvertToBitmapSource(Bitmap btmap) 
{ 
   return Imaging.CreateBitmapSourceFromHBitmap(btmap.GetHbitmap(), IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
}