MediaPlayer::Play Method
.NET Framework 4.5
Plays media from the current Position.
Namespace: System.Windows.Media
Assembly: PresentationCore (in PresentationCore.dll)
Calling Play when a player has an associated Clock will throw an InvalidOperationException. Play cannot be called while the timing engine drives media playback.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.