by David Jeske
This is a simple tool I cooked up so I could figure out which app was responsible for annoying errant notification sounds.
There are WPF and Windows.Forms versions.
It has turned into a bit of a WPF challenge. It's hard to match GDI's performance using WPF's retained mode drawing. It's also hard (impossible?) to achieve the same crisp single pixel lines that GDI draws in WPF.
Here is the Windows.Forms version:
