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This code sample is named Mosquito. It demonstrates DirectDraw animation using overlays. The application creates a complex Overlay Surfacesand animates by Flipping Overlay Surfaces. On a device with overlay support, the program creates a large mosquito that flies around the screen.

Feature Area

Relevant APIs


To run the code sample
  1. Navigate to the solution file (*.sln), and double-click it. By default, the solution file is copied to the following folder:

    C:\Program Files\Windows Mobile 6.5.3 DTK\Samples\PocketPC\CPP\win32\directx\DDraw\Mosquito

    Microsoft Visual Studio launches and loads the solution.

  2. Build the solution ( Ctrl+Shift+B).

  3. Deploy the solution ( F5).


It is assumed that you have a display adapter that supports overlays.

To run this code sample, your mobile device needs to have at least 1.2 MB of video RAM.

This application demands the keyboard focus. You will not be able to switch out of the application until you exit by pressing the ACTIONbutton.

Development Environments

SDK:Windows Mobile Professional SDK 

Development Environment:Visual Studio 2005 or 2008.

ActiveSync:Version 4.5.

See Also