NetAlive Documentation

Background Widget

Inputs 8-11: data inputs (all the same).
Input 7: address (standard interpretation).

Functionally identical to a picture widget except the display forms the application's background.

Behavior

Inputs get concatenated with implied synchronization into a single input value. However, "Asynchronous" simply routes input messages to an input value.

Never produces an output.

Appearance

Graphic display covers the application's window as a background (other widgets overlay the background).

Graphic display of internal data initially and then input values as they arrive. Data may be a MS Windows bitmap or an OLE object.

Interactive Demonstration

Press to invoke backgrou.net.

The window's background starts with a graphic with the words "Internal data..." This image was produced by a background widget containing an OLE embedded object as its internal data.

Press the buttons and observe the background change. Each button contains a graphic as its internal data. Pressing each button transfers the graphic to the background widget.

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