Selected Property (Renderer)

C#
Visual Basic
Objective-C
Java
C++

public bool Selected {get; set;}

'Declaration

Public Property Selected As Boolean

'Usage

Dim instance As Renderer
Dim value As Boolean
 
instance.Selected = value
 
value = instance.Selected

public:
property bool Selected {
   bool get();
   void set (    bool value);
}

Property Value

true if the renderer is currently selected; otherwise, it is false.

Gets or sets the renderer's selected state. Assignment can raise an error exception. For more information, refer to the Error Codes.

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

Copy Code

Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures

Public _result As Boolean = False
Public _form As New CaptureCtrlForm()
Public _capturectrl As CaptureCtrl
Public Sub AudioRenderersExample()
    ' output file
    Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_AudioRenderersExample.avi")

    ' reference the capture control
    _capturectrl = _form.CaptureCtrl

    Try
        ' set the source video device, select using your device name here
        If _capturectrl.VideoDevices("USB") Is Nothing Then
            Throw New Exception("No USB video device available")
        End If

        _capturectrl.VideoDevices("USB").Selected = True


        ' set the target file
        _capturectrl.TargetFile = outFile

        ' reference the audio renderers collection
        Dim ar As AudioRenderers = _capturectrl.AudioRenderers

        ' get the current selection
        Dim currSelection As Integer = ar.Selection

        ' loop through the capture control's registered audio renderers
        For Each r As Renderer In ar
            ' select by renderer friendly name
            If r.FriendlyName = "Default DirectSound Device" AndAlso Not r Is ar(currSelection) Then
                ' select it
                r.Selected = True
                Exit For
            End If

            ' select by renderer name (device name)
            If r.Name = "@device:cm:{E0F158E1-CB04-11D0-BD4E-00A0C911CE86}\Default DirectSound Device" _
              AndAlso Not r Is ar(currSelection) Then
                ' select it
                r.Selected = True
                Exit For
            End If
        Next

        ' check the new selection
        Dim newSelection As Integer = ar.Selection

        ' set the result to what we expect
        _result = (currSelection <> newSelection)

        ' set the started event handler
        AddHandler _capturectrl.Started, AddressOf CaptureCtrl_Started

        ' run the capture
        _capturectrl.StartCapture(CaptureMode.Video)
    Catch generatedExceptionName 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.
    While _capturectrl.State = CaptureState.Running
        Application.DoEvents()
    End While
End Sub

Public Sub CaptureCtrl_Started(ByVal sender As Object, ByVal e As EventArgs)
    ' stop the capture
    _capturectrl.StopCapture()
End Sub

Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media"
End Class

using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;

public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public CaptureCtrl _capturectrl;
public void AudioRenderersExample()
{
   // output file
   string outFile = Path.Combine(LEAD_VARS.MediaDir,"CaptureCtrl_AudioRenderersExample.avi");

   // reference the capture control
   _capturectrl = _form.CaptureCtrl;

   try
   {
      // set the source video device, select using your device name here
      if (_capturectrl.VideoDevices["USB"] == null)
         throw new Exception("No USB video device available");

      _capturectrl.VideoDevices["USB"].Selected = true;


      // set the target file
      _capturectrl.TargetFile = outFile;

      // reference the audio renderers collection
      AudioRenderers ar = _capturectrl.AudioRenderers;

      // get the current selection
      int currSelection = ar.Selection;

      // loop through the capture control's registered audio renderers
      foreach (Renderer r in ar)
      {
         // select by renderer friendly name
         if (r.FriendlyName == "Default DirectSound Device" && r != ar[currSelection])
         {
            // select it
            r.Selected = true;
            break;
         }

         // select by renderer name (device name)
         if (r.Name == @"@device:cm:{E0F158E1-CB04-11D0-BD4E-00A0C911CE86}\Default DirectSound Device" && r != ar[currSelection])
         {
            // select it
            r.Selected = true;
            break;
         }
      }

      // check the new selection
      int newSelection = ar.Selection;

      // set the result to what we expect
      _result = (currSelection != newSelection);

      // set the started event handler
      _capturectrl.Started += new EventHandler(CaptureCtrl_Started);

      // run the capture
      _capturectrl.StartCapture(CaptureMode.Video);
   }
   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 (_capturectrl.State == CaptureState.Running)
      Application.DoEvents();
}

public void CaptureCtrl_Started(object sender, EventArgs e)
{
   // stop the capture
   _capturectrl.StopCapture();
}

static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media";
}

Target Platforms

Reference

Renderer Class
Renderer Members