Ok, I'm getting the picture now. The DIN have it's own OS* (that is not WinCE), and has a way to switch to WinCE running nav proggy. The minimized event is just for WinCE (which makes sense) that will allow a different** proggy to run under WinCE. Currently there is no function and will "exit/switch" from WinCE back to it's native OS.
* maybe OS is too strong a word, perhaps state or environment
** this is assuming the multi-tasking capability of WinCE was enabled
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