WPF:如何创建一个水平重复的背景而不中断?

I would like to create a background for my window which is an image that i want repeated horizontally. So far I've tried with the ImageBrush, but this option repeats the image horizonally and vertically. Also, i don't want it to scale when user resize the window, as it makes the image look funny. I would like to create a background for my wind