This post explains how to run applications automatically when certain events occur.
This post explains how to display a notification to user using SHNotificationAdd() api. The notification will show as a bubble popup and can also have an icon on the system tray.
This post explains how to create a windowed directdraw application for windows mobile.
This post deals with Menu items and defining menu items in resource files. How to get popup menus for both left and right softkey and much more.