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 ****");
BitMapImage myBitImage = new BitMapImage();
//callin methods from object levlel
myBitImage.draw();
myBitImage.DrawInBoundingBox(10, 10, 100, 150);
myBitImage.DrawUpsideDown();
//CAlling from IAdvancedDraw Explicitly
IAdvancedDraw iAdvDraw = myBitImage as IAdvancedDraw;
if (iAdvDraw != null)
{
iAdvDraw.DrawUpsideDown();
}
Console.ReadLine();
}
