如何在后面的代码中设置背景图片的Scretch和TileMode？

Question

使用C＃，如何设置背景图片的TileMode和Stretch属性？

StackPanel1.Background = new ImageBrush(new ....); // OK
StackPanel1.Background = Stretch.Uniform; //this doesn't work...

Answer 1

需要设置的图像画笔本身的属性。

var imageBrush = new ImageBrush(); 
imageBrush.Stretch = Stretch.Uniform; 
StackPanel1.Background = imageBrush;