Play​To​Connection Play​To​Connection Play​To​Connection Class

Definition

Provides information about a Play To connection.

public : sealed class PlayToConnection : IPlayToConnectionpublic sealed class PlayToConnection : IPlayToConnectionPublic NotInheritable Class PlayToConnection Implements IPlayToConnection
Attributes
Windows 10 requirements
Device family
Windows 10 (introduced v10.0.10240.0)
API contract
Windows.Foundation.UniversalApiContract (introduced v1)

Examples

 private Windows.Media.PlayTo.PlayToManager ptm = 
         Windows.Media.PlayTo.PlayToManager.GetForCurrentView();

 protected override void OnNavigatedTo(NavigationEventArgs e)
 {
     ptm.SourceRequested += sourceRequestHandlerWithEvents;
     ptm.SourceSelected += sourceSelectedHandler;
 }

 private void sourceRequestHandlerWithEvents(
 Windows.Media.PlayTo.PlayToManager sender,
 Windows.Media.PlayTo.PlayToSourceRequestedEventArgs e)
 {
     try
     {
         var controller = mediaElement.PlayToSource;

         controller.Connection.Error += playToConnectionError;
         controller.Connection.StateChanged += playToConnectionStageChanged;
         controller.Connection.Transferred += playToConnectionTransferred;

         e.SourceRequest.SetSource(controller);
     }
     catch (Exception ex)
     {
         messageBlock.Text += "Exception encountered: " + ex.Message + "\n";
     }
 }

 // Called when the user selects a Play To device to stream to.

 private void sourceSelectedHandler(
     Windows.Media.PlayTo.PlayToManager sender,
     Windows.Media.PlayTo.PlayToSourceSelectedEventArgs e)
 {
     if (mediaElement.Name == "iplayer") {
         if (!e.SupportsImage) {
             messageBlock.Text += e.FriendlyName + " does not support streaming images. " +
                                  "Please select a different device.";
             return;
         }
     }

     if (mediaElement.Name == "vplayer") {
         if (!e.SupportsVideo) {
             messageBlock.Text += e.FriendlyName + " does not support streaming video. " +
                                  "Please select a different device.";
             return;
         }
     }

     if (mediaElement.Name == "aplayer") {
         if (!e.SupportsAudio) {
             messageBlock.Text += e.FriendlyName + " does not support streaming audio. " +
                                  "Please select a different device.";
             return;
         }
     }

     Windows.Storage.Streams.IRandomAccessStream iconStream = e.Icon;
     Windows.UI.Xaml.Media.Imaging.BitmapImage iconBitmap = 
             new Windows.UI.Xaml.Media.Imaging.BitmapImage();
     iconBitmap.SetSource(iconStream);
     playToDeviceIconImage.Source = iconBitmap;

     playToDeviceFriendlyNameBlock.Text = e.FriendlyName;
 }

 private void playToConnectionError(
     Windows.Media.PlayTo.PlayToConnection connection,
     Windows.Media.PlayTo.PlayToConnectionErrorEventArgs e)
 {
     if (e.Code == Windows.Media.PlayTo.PlayToConnectionError.DeviceError ||
         e.Code == Windows.Media.PlayTo.PlayToConnectionError.DeviceNotResponding) 
     {
         messageBlock.Text += "Error occurred. Disconnecting.\n";
     }

     messageBlock.Text += "Error: Message = " + e.Message.ToString() + "\n";
 }

private void playToConnectionStageChanged(
    Windows.Media.PlayTo.PlayToConnection connection, 
    Windows.Media.PlayTo.PlayToConnectionStateChangedEventArgs e) 
 {
     messageBlock.Text += "StateChanged: PreviousState = " + e.PreviousState.ToString() + "\n";
     messageBlock.Text += "StateChanged: CurrentState = " + e.CurrentState.ToString() + "\n";
 }

private void playToConnectionTransferred(
    Windows.Media.PlayTo.PlayToConnection connection, 
    Windows.Media.PlayTo.PlayToConnectionTransferredEventArgs e)
 {
     messageBlock.Text += "Transferred: PreviousSource = " + e.PreviousSource.ToString() + "\n";
     messageBlock.Text += "Transferred: CurrentSource = " + e.CurrentSource.ToString() + "\n";
 }
var ptm = Windows.Media.PlayTo.PlayToManager.getForCurrentView();
ptm.addEventListener("sourcerequested", sourceRequestHandlerWithEvents, false);
ptm.addEventListener("sourceselected", sourceSelectedHandler, false);

function sourceRequestHandlerWithEvents(e) {
    try {
        var controller = mediaElement.msPlayToSource;

        controller.connection.addEventListener("error", playToConnectionError, false);
        controller.connection.addEventListener("stateChanged", playToConnectionStageChanged, false);
        controller.connection.addEventListener("transferred", playToConnectionTransferred, false);

        e.sourceRequest.setSource(controller);

    } catch (ex) {
        id("messageDiv").innerHTML += "Exception encountered: " + ex.message + "<br/>";
    }
}

// Called when the user selects a Play To device to stream to.

function sourceSelectedHandler(e) {
    if (mediaElement.id == "iplayer") {
        if (!e.supportsImage) {
            id("messageDiv").innerHTML += e.friendlyName + " does not support streaming images. " +
                                          "Please select a different device.";
            return;
        }
    }

    if (mediaElement.id == "vplayer") {
        if (!e.supportsVideo) {
            id("messageDiv").innerHTML += e.friendlyName + " does not support streaming video. " +
                                          "Please select a different device.";
            return;
        }
    }

    if (mediaElement.id == "aplayer") {
        if (!e.supportsAudio) {
            id("messageDiv").innerHTML += e.friendlyName + " does not support streaming audio. " +
                                          "Please select a different device.";
            return;
        }
    }


    var iconBlob = window.msWWA.createBlobFromRandomAccessStream(e.icon.contentType, e.icon);
    id("playToDeviceIconImage").src = window.URL.createObjectURL(iconBlob, false);

    id("playToDeviceFriendlyName").innerHTML = e.friendlyName;

    id("playToStatusDiv").style.display = "block";
}

function playToConnectionError(e) {
    if (e.code == Windows.Media.PlayTo.PlayToConnectionError.deviceError |
        e.code == Windows.Media.PlayTo.PlayToConnectionError.deviceNotResponding) {

        id("messageDiv").innerHTML += "Error occurred. Disconnecting.<br/>";
    }

    id("messageDiv").innerHTML += "Error: Message = " + e.message.toString() + "<br/>";
}

function playToConnectionStageChanged(e) {
    id("messageDiv").innerHTML += "StateChanged: PreviousState = " + stateToString(e.previousState) + "<br/>";
    id("messageDiv").innerHTML += "StateChanged: CurrentState = " + stateToString(e.currentState) + "<br/>";
}

function stateToString(state) {
    switch (state) {
        case Windows.Media.PlayTo.PlayToConnectionState.connected:
            return "Connected";
        case Windows.Media.PlayTo.PlayToConnectionState.disconnected:
            return "Disconnected";
        case Windows.Media.PlayTo.PlayToConnectionState.rendering:
            return "Rendering";
    }
}

function playToConnectionTransferred(e) {
    id("messageDiv").innerHTML += "Transferred: PreviousSource = " + e.previousSource.toString() + "<br/>";
    id("messageDiv").innerHTML += "Transferred: CurrentSource = " + e.currentSource.toString() + "<br/>";
}

Private ptm As Windows.Media.PlayTo.PlayToManager =
        Windows.Media.PlayTo.PlayToManager.GetForCurrentView()

Protected Overrides Sub OnNavigatedTo(e As Navigation.NavigationEventArgs)
    AddHandler ptm.SourceRequested, AddressOf sourceRequestHandlerWithEvents
    AddHandler ptm.SourceSelected, AddressOf sourceSelectedHandler
End Sub

Private Sub sourceRequestHandlerWithEvents(
    sender As Windows.Media.PlayTo.PlayToManager,
    e As Windows.Media.PlayTo.PlayToSourceRequestedEventArgs)

    Try
        Dim controller = mediaElement.PlayToSource

        AddHandler controller.Connection.Error, AddressOf playToConnectionError
        AddHandler controller.Connection.StateChanged, AddressOf playToConnectionStageChanged
        AddHandler controller.Connection.Transferred, AddressOf playToConnectionTransferred

        e.SourceRequest.SetSource(controller)
    Catch ex As Exception
        messageBlock.Text &= "Exception encountered: " & ex.Message & vbCrLf
    End Try
End Sub

' Called when the user selects a Play To device to stream to.

Private Sub sourceSelectedHandler(
    sender As Windows.Media.PlayTo.PlayToManager,
    e As Windows.Media.PlayTo.PlayToSourceSelectedEventArgs)

    If mediaElement.Name = "iplayer" Then
        If Not e.SupportsImage Then
            messageBlock.Text &= e.FriendlyName & " does not support streaming images. " &
                                 "Please select a different device."
            Return
        End If
    End If

    If mediaElement.Name = "vplayer" Then
        If Not e.SupportsVideo Then
            messageBlock.Text &= e.FriendlyName & " does not support streaming video. " &
                                 "Please select a different device."
            Return
        End If
    End If

    If mediaElement.Name = "aplayer" Then
        If Not e.SupportsAudio Then
            messageBlock.Text &= e.FriendlyName & " does not support streaming audio. " &
                                 "Please select a different device."
            Return
        End If
    End If

    Dim iconStream = e.Icon
    Dim iconBitmap = New Windows.UI.Xaml.Media.Imaging.BitmapImage()
    iconBitmap.SetSource(iconStream)
    playToDeviceIconImage.Source = iconBitmap

    playToDeviceFriendlyNameBlock.Text = e.FriendlyName
End Sub

Private Sub playToConnectionError(
    connection As Windows.Media.PlayTo.PlayToConnection,
    e As Windows.Media.PlayTo.PlayToConnectionErrorEventArgs)

    If e.Code = Windows.Media.PlayTo.PlayToConnectionError.DeviceError OrElse
        e.Code = Windows.Media.PlayTo.PlayToConnectionError.DeviceNotResponding Then

        messageBlock.Text &= "Error occurred. Disconnecting." & vbCrLf
    End If

    messageBlock.Text &= "Error: Message = " & e.Message.ToString() & vbCrLf
End Sub

Private Sub playToConnectionStageChanged(
    connection As Windows.Media.PlayTo.PlayToConnection,
    e As Windows.Media.PlayTo.PlayToConnectionStateChangedEventArgs)

    messageBlock.Text &= "StateChanged: PreviousState = " & e.PreviousState.ToString() & vbCrLf
    messageBlock.Text &= "StateChanged: CurrentState = " & e.CurrentState.ToString() & vbCrLf
End Sub

Private Sub playToConnectionTransferred(
    connection As Windows.Media.PlayTo.PlayToConnection,
    e As Windows.Media.PlayTo.PlayToConnectionTransferredEventArgs)

    messageBlock.Text &= "Transferred: PreviousSource = " & e.PreviousSource.ToString() & vbCrLf
    messageBlock.Text &= "Transferred: CurrentSource = " & e.CurrentSource.ToString() & vbCrLf
End Sub

Remarks

For an example of how to use Play To in an application, see Quickstart: Using Play To in applications (JavaScript) or PlayReady DRM.

Properties

State State State

Gets the state of the Play To connection.

public : PlayToConnectionState State { get; }public PlayToConnectionState State { get; }Public ReadOnly Property State As PlayToConnectionState
Value
PlayToConnectionState PlayToConnectionState PlayToConnectionState

The state of the Play To connection.

Attributes
See Also

Events

Error Error Error

Occurs when an error is encountered for the Play To connection.

public : event TypedEventHandler Errorpublic event TypedEventHandler ErrorPublic Event Error
Attributes
See Also

StateChanged StateChanged StateChanged

Occurs when the state of the Play To connection has changed.

public : event TypedEventHandler StateChangedpublic event TypedEventHandler StateChangedPublic Event StateChanged
Attributes
See Also

Transferred Transferred Transferred

Occurs when the Play To connection is transferred to the next Play To source.

public : event TypedEventHandler Transferredpublic event TypedEventHandler TransferredPublic Event Transferred
Attributes
See Also

See Also