Project
When an app uses multiple windows, and more than one screen is available on the current PC, it can project one window on one screen while keeping another window on the other. This is useful for any apps that want to support the notion of a public view versus a private view, such as a PowerPoint-style app in which one screen shows the presentation and the other screen shows speaker notes. The projection APIs can be found on the static ProjectionManager class in the Windows.UI.ViewManagement namespace.
First, your app can check if a second screen is available with ProjectionManager’s Boolean ProjectionDisplayAvailable property and be notified of any status changes with its ProjectionDisplayAvailableChanged event. To project a window onto ...
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