From YYpBD's MediaWiki
CustomItemOptionsDlgProc function
Implements an Options dialog box in the Today settings screen.
InitializeCustomItem function
Initializes a custom item for the Today screen.
TODAYDRAWWATERMARKINFO structure
Contains information for creating transparent backgrounds for Today screen items.
TODAYLISTITEM structure
Contains information for a single Today Screen item.
WM_TODAYCUSTOM_CLEARCACHE message
Sent to the window of a Today screen custom item when that item is about to be unloaded.
WM_TODAYCUSTOM_QUERYREFRESHCACHE message
Sent to the window of a Today screen custom item to determine whether or not the item data has been updated.