This article presents a behavior that can make another UIElement visible when the mouse down event occurs on the UIElement this behavior is attached to. Have extended this to directly support fading of a Popup control
The LEDBulb is a .NET user control for Windows Forms that emulates an LED light. Its purpose is to provide a sleek looking representation of an LED light that is sizable, has a transparent background and can be set to different colors.
MouseWheelRedirector redirects mouse wheel events to the control under the mouse pointer in Windows Forms applications, regardless of the control being clicked/focused. Just attach the control to the Redirector, no additional coding is required.
WPF Controls Tester is a small application written to test several WPF controls and panels in order to study their behavior. Beginning WPF programmers may benefit by studying techniques used within this application.