将System.Drawing.Bitmap转换为stdole.StdPicture

var pic = (stdole.StdPicture)Microsoft.VisualBasic.Compatibility.VB6.Support.ImageToIPicture
                   (MyDLL.Properties.Resources.Img); // this is a System.Drawing.Bitmap

public class IconConverter : System.Windows.Forms.AxHost
{
   private IconConverter(): base(string.Empty)
   {
   }

   public static stdole.IPictureDisp GetIPictureDispFromImage(System.Drawing.Image image)
   {

      return (stdole.IPictureDisp)GetIPictureDispFromPicture(image);
   }
}