Right-click on the Desktop and choose New | Shortcut
Browse and select ShowDT.exe
Add /now to the end of the command line
Once the shortcut has been completed, right-click on it and choose Properties
Choose the Shortcut tab
Click in the edit box next to Shortcut Key and press the key combination that you want to use to minimize all windows.

Start CastleBar and go in to Configuration mode.
Add a new button and specify the /now parameter for ShowDT.
