Player.StateChanged Event
Raised to notify applications that the player state has changed.
Namespace: Microsoft.Rtc.Collaboration.AudioVideo
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public Event StateChanged As EventHandler(Of PlayerStateChangedEventArgs)
'Usage
Dim instance As Player
Dim handler As EventHandler(Of PlayerStateChangedEventArgs)
AddHandler instance.StateChanged, handler
public event EventHandler<PlayerStateChangedEventArgs> StateChanged
Remarks
The StateChanged Event is raised for every state change that occurs on the player, including when the application causes the state change.
Examples
The following example shows an app subscribing to a StateChanged event. The event handler detaches all AudioVideoFlow if play is completed.
C# Subscribing to StateChanged event.
player.StateChanged += delegate(object sender, PlayerStateChangedEventArgs e)
{
// Detaches all flow once player completes.
if (e.TransitionReason == PlayerStateTransitionReason.PlayCompleted)
{
foreach (AudioVideoFlow avFlow in player.AudioVideoFlows)
{
player.DetachFlow(avFlow);
}
}
};