The editor immediately after booting up.

I'm starting to put my GUI to work for me.  I've decided to do a Lode Runner clone for my first GUI/Renderer test run.  I coded up a level editor for it in a matter of hours.  So far, the GUI is performing admirably.

Obviously this is fairly basic stuff, but this all works without any help from Windows (other than moving the mouse).  The dime tour is like this ... at the bottom of the screen is the tile browser.  You click the one you want to be current, and it's displayed in the little blue window so you know which one you're working with.  After that, moving the mouse over any of the squares on the board above and clicking will set/unset that tile.  The "File" menu contains options for loading/saving levels, starting over with a fresh level, etc.

After loading the first test level I made.

Not overly complicated stuff, but it shows that the GUI is fairly mature and getting to the "cool" stage.  :)  I'll post another update when I have some semblance of a game running.