Ok, I've found out how to do this by modifying some code from a code project sample that did it for windows forms. http://www.codeproject.com/Articles/10131/Simulate-the-quot-Nudge-quot-Effect
public void NudgeWindow(Window window)
{
var maxOffset = 9;
var minOffset = 1;
var originalLeft = (int) window.Left;
var originalTop = (int) window.Top;
var rnd = 0;
var RandomClass = new Random();
for (int i = 0; i <= 500; i++)
{
rnd = RandomClass.Next(originalLeft + minOffset, originalLeft + maxOffset);
window.Left = rnd;
rnd = RandomClass.Next(originalTop + minOffset, originalTop + maxOffset);
window.Top = rnd;
}
window.Left = originalLeft;
window.Top = originalTop;
}