Descriptive Problem Summary:
I've noticed that the problem only occurs when the mouse is within a map control, if it's outside the window or in another control, such as the output, it works fine. There's even issues with DS detecting MouseDown and MouseUp.
Numbered Steps to Reproduce Problem:
It only shows up on more process heavy projects and it mainly affects weaker dual core (below 2.6ghz) and single core (below 3.6ghz) CPUs
Mouse coordinates are often not sent. This only occurs over map controls.
When does the problem NOT occur?
When the cursor is not over a map control.
None yet, but I'm working on it. Using MouseEntered() to get the mouse position works, but is much less accurate.