test1.ex - a simple GTK window, no controls
test2.ex - window with image and clickable web link
test3.ex - window with a label and button to end program
test4.ex - button with 2 signals connected
test5.ex - demonstrates using markup in a label
test6.ex - using various image types
test7.ex - simple single-line text entry
test8.ex - retrieving data from the single-line entry
test9.ex - responding with a custom dialog
test10.ex - animated gif
test11.ex - label justification
test12.ex - label width
test13.ex - sliders & scales, & how to interconnect
test14.ex - simple text viewer with scrolled window
test15.ex - simple image viewer with file chooser & preview
test16.ex - combo box
test17.ex - progressbar
test18.ex - status bar (and status icon - only works with some window managers/themes)
test19.ex - spinner *** WARNING! *** only works with latest GTK libraries)
test20.ex - setting window colors
test21.ex - setting control colors for various states
test22.ex - introspection
test23.ex - keycodes
test24.ex - infobar (only works on latest GTK versions)
test25.ex - custom window icon (works with some window managers/themes)
test26.ex - display GTK stock buttons
test27.ex - handle box (lets user 'tear off' portions of the window)
test28.ex - size group (makes all controls the same size, either horiz., vert., or both ways)
test29.ex - events (respond to mouse moves in a selected area - view with terminal)
test30.ex - URI button (connect to the web using your default browser)
test31.ex - specifying 'hot keys' to control window events
test32.ex - (unassigned)
test33.ex - listview *hint* you can drag the lines around to reorder the list!
test34.ex - font button 
test35.ex - listview with images
test36.ex - iconview 
test37.ex - drag & drop images (may not work on older GTK versions or certain window managers)
test38.ex - drawing primitives
test39.ex - entry widget with decoration
test40.ex - menus
test41.ex - languages & fonts
test42.ex - arrows
test43.ex - GTK built-in 'About' dialog
test44.ex - calendar
test45.ex - various buttons
test46.ex - image browser
test47.ex - scrollbars
test48.ex - simple text editor 
test49.ex - tooltips - using markup
test50.ex - resistor color code demo
test51.ex - recent chooser
test52.ex - timer 
test53.ex - color selection dialog
test54.ex - color selection widget in window (with palette)
test55.ex - HSV color wheel (needs work)
test56.ex - 'Rich Text' editor (partial implementation)
test57.ex - Fixed positioning
test58.ex - Toolbars (and some other tricks)
test59.ex - Expanders
test60.ex - C to F converter
test61.ex - Paned Windows
test62.ex - Gtk Assistant
test63.ex - Fade in window
test64.ex - Aspect Frame
test65.ex - Random positioning of elements
test67.ex - Custom Dialog
test68.ex - Notebook
test69.ex - Spectrum
test70.ex - Psychedelic patterns

