This builds off the ITaskbarList example from the AutoItObject project, but just shows how easy it is to work with COM objects that don't have the AutoIt preferred IDispatch interface now thanks to them. This example (eventually I'll UDF it to some extent) shows how to create progress bars in the taskbar in Windows 7. Windows 7 ONLY!!! #NoTrayIcon
#include <AutoItObject.au3>
#include <WinAPI.au3>
Global Const $TBPF_NOPROGRESS = 0
Global Const $TBPF_INDETERMINATE = 0x1
Global Cons