It looks like this. Hips of programs already support this feature, waiting for SynchronizeIt


2. Pause button is needed too. Sometimes we have to stop massive disk operations for some period of time. For example to write a CD or DVD.
To help with taskbar development I'll post here some links for dev docs:
http://msdn.microsoft.com/en-us/library ... S.85).aspx
http://msdn.microsoft.com/en-us/windows/ee624070.aspx
http://archive.msdn.microsoft.com/Windows7Taskbar