如何在WPF中实现“无穷大”的画布效果?

My Goal is to create a Canvas where you can translate the child elements to where you want just by moving around the whole canvas (like for example in the grasshopper plugin from rhino). I tried with "translateTransform" but then the problem arises that the height or width of the canvas isn't big enough to include the whole window again. I tried to solve this problem with adding Width and Height to the Canvas whenever it gets dragged around, but the Size of the Canvas just doesn't seem to change.My Goal is to create a Canvas where you can tra