Count Property (TargetFormats)

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

public int Count {get;}

'Declaration
 
Public ReadOnly Property Count As Integer

'Usage
 
Dim instance As TargetFormats
Dim value As Integer
 
value = instance.Count

public int Count {get;}

 get_Count();

public:
property int Count {
   int get();
}

Property Value

The number of items contained in the collection.

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

Copy Code

Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public _result As Boolean = False
Public Sub CountResetExample()
   Try
      ' reference the form capture control 
      Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

      ' reference the target formats
      Dim formats As TargetFormats = capturectrl.TargetFormats

      ' get count before setting device
      Dim n As Integer = formats.Count

      ' set an audio device first, you should use your audio device name here
      If capturectrl.AudioDevices("USB") Is Nothing Then
         Throw New Exception("No USB audio device available")
      End If

      capturectrl.AudioDevices("USB").Selected = True

      ' reset the collection
      formats.Reset()

      ' set out result to what we expect 
      _result = (n > 0)
   Catch e1 As Exception
      _result = False
   End Try
End Sub

public CaptureCtrlForm _form = new CaptureCtrlForm();
public bool _result = false;
public void CountResetExample()
{
   try
   {
      // reference the form capture control 
      CaptureCtrl capturectrl = _form.CaptureCtrl;

      // reference the target formats
      TargetFormats formats = capturectrl.TargetFormats;

      // get count before setting device
      int n = formats.Count;

      // set an audio device first.  use your audio device's name here
      if (capturectrl.AudioDevices["USB"] == null)
         throw new Exception("No USB audio device available");

      capturectrl.AudioDevices["USB"].Selected = true;

      // reset the collection
      formats.Reset();

      // set out result to what we expect 
      _result = (n > 0);
   }
   catch (Exception)
   {
      _result = false;
   }
}

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

TargetFormats Class
TargetFormats Members