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The best (?) way to implement this was to create an app that resides on the taskbar notifation area, adding some entry to a log-file at startup and another entry at exit. One of the problems involved was that on windows shutdown you get no WM_EXIT command. That was the outcome of my newsgroup question "Taskbar Status Area App?".
The second thing I includes in this project - just for demonstating this feature - is CListCrtlView based class displaying images in SUBitems. For this I have changed YOUR code for "full row selection in list controls" (dont know the exact title now, but you do). The key idea was adding special texts for bitmaps. I only wanted to implement one bitmap for a yes value and another vor a no value. So I choose to enter the text 0]|[ for no and 1]|[ for yes. In OnDrawItem I check, if the text is of length 4 and if the last three characters are the combination ']|[' (I choose two anti-matching-brackets to avoid confusing the find- matching- brace- makros of the IDE) then the first character is convertet to integer and used to determine which bitmap to draw...