Editor: The following are all subclassed ComboBox controls and extended with extra functionality.
All controls are initialized the same way: either by creating a free-standing combobox, or by subclassing an existing control in a dialog.
The CheckCombo control is a subclassed COMBOBOX Windows Control, which contains checkboxes in the list, The label part displays the current selection as a comma-separated text string.
The FontCombo control is a subclassed COMBOBOX Windows control, which display the list of currently installed fonts on the system. It can display fonts with their native face in the list, with TrueType and OpenType symbols and fonts with a fixed pitch in bold.