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This article describes the <UnigineSDK>/data/samples/plugins/app_wall_00.cpp sample.
The app_wall_00 sample demonstrates how to render an interface across all of the available monitors with the AppWall plugin. In this sample, the engine.wall.getGui() function is used to get a GUI instance for each monitor.
The monitor with the 0×0 label is the primary by default. You can change it via the engine.wall.setPrimary() function.