Interface MediaStageSurface

Stable key (a channel key). The surface's content is created once per key and kept while the key is listed.

The surface's name, shown on its picture-in-picture bar. Defaults to the key.

Where a picture-in-picture box stacks until the user moves it: 0, the newest, sits in the stage's bottom-right corner (above MediaStageComponent.PipKeepClear when that is in the way) and the others stack upward.