SourceStream Property (PlayCtrl)

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public virtual Stream SourceStream {get; set;}

'Declaration
 
Public Overridable Property SourceStream As Stream

'Usage
 
Dim instance As PlayCtrl
Dim value As Stream
 
instance.SourceStream = value
 
value = instance.SourceStream

public virtual Stream SourceStream {get; set;}

 get_SourceStream();
 set_SourceStream(value);

public:
virtual property Stream^ SourceStream {
   Stream^ get();
   void set (    Stream^ value);
}

Property Value

A System.IO.Stream object for the media source stream.

Use this property to assign a Stream-derived object as the media source for the conversion process. The SourceType will be set to SourceObjectType.Stream. Assignment can raise an error exception. For more information, refer to the Error Codes. Note: When setting this property, the Play control must be in the stopped state.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Public _result As Boolean = False
      Public _form As PlayCtrlForm = New PlayCtrlForm()
      Public Sub SourceStreamExample()
         ' reference the play control
         Dim playctrl As PlayCtrl = _form.PlayCtrl

         ' input and output file names
         Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_Source.avi")

         Try
            ' turn off auto start
            playctrl.AutoStart = False

            ' subscribe to the complete event to check our result
            AddHandler playctrl.MediaEvent, AddressOf PlayCtrl_MediaEvent

            ' set the source stream
            playctrl.SourceStream = New StreamReader(inFile).BaseStream

            ' set the allowed streams
            playctrl.AllowedStreams = StreamFormatType.AudioVideoCC

            ' play it!
            playctrl.Run()
         Catch e1 As Exception
            _result = False
         End Try

         ' we'll loop on the state and pump messages for this example.
         ' but you should not need to if running from a Windows Forms application.
         Do While playctrl.State = PlayState.Running
            Application.DoEvents()
         Loop
      End Sub

      Private Sub PlayCtrl_MediaEvent(ByVal sender As Object, ByVal e As MediaEventArgs)
         ' set the result
         If e.eventCode = MediaEventCode.EC_COMPLETE Then
            _result = True
         End If
      End Sub

Public NotInheritable Class LEAD_VARS
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
End Class

public bool _result = false;
      public PlayCtrlForm _form = new PlayCtrlForm();
      public void SourceStreamExample()
      {
         // reference the play control
         PlayCtrl playctrl = _form.PlayCtrl;

         // input and output file names
         string inFile = Path.Combine(LEAD_VARS.MediaDir,"PlayCtrl_Source.avi");

         try
         {
            // turn off auto start
            playctrl.AutoStart = false;

            // subscribe to the complete event to check our result
            playctrl.MediaEvent += new MediaEventHandler(PlayCtrl_MediaEvent);

            // set the source stream
            playctrl.SourceStream = new StreamReader(inFile).BaseStream;

            // set the allowed streams
            playctrl.AllowedStreams = StreamFormatType.AudioVideoCC;

            // play it!
            playctrl.Run();
         }
         catch (Exception)
         {
            _result = false;
         }

         // we'll loop on the state and pump messages for this example.
         // but you should not need to if running from a Windows Forms application.
         while (playctrl.State == PlayState.Running)
            Application.DoEvents();
      }

      void PlayCtrl_MediaEvent(object sender, MediaEventArgs e)
      {
         // set the result
         if (e.eventCode == MediaEventCode.EC_COMPLETE)
            _result = true;
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

PlayCtrl Class
PlayCtrl Members
ResetSource Method