static void Main(string[] args)
{
BitMapImage btmi = new BitMapImage();
//从对象级别调用
btmi.Draw();
btmi.DrawInBoundingBox(10, 10, 20, 120);
btmi.DrawUpSideDown();
//显示获取IAdvancedDraw
IAdvancedDraw iAdvDraw = btmi as IAdvancedDraw;
if (iAdvDraw != null)
{
iAdvDraw.DrawUpSideDown();
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Interface Hierarchy *****\n");
// Call from object level
BitmapImage myBitmap = new BitmapImage();
myBitmap.Draw();
myBitmap.DrawInBoundingBox(10, 10, 10, 10);
myBitmap.DrawUpSideDown();
// Get IAdvancedDraw explicitly
IAdvancedDraw iAdvDraw = myBitmap as IAdvancedDraw;
if (iAdvDraw != null)
{
iAdvDraw.DrawUpSideDown();
}
Console.ReadLine();
}