LEADTOOLS Multimedia (Leadtools.Multimedia assembly) Send comments on this topic. | Back to Introduction | Help Version 17.0.3.22
Count Property
See Also 
Leadtools.Multimedia Namespace > TargetFormats Class : Count Property



Gets the number of items contained in the collection.

Syntax

Visual Basic (Declaration) 
Public ReadOnly Property Count As Integer
Visual Basic (Usage)Copy Code
Dim instance As TargetFormats
Dim value As Integer
 
value = instance.Count
C# 
public int Count {get;}
C++/CLI 
public:
property int Count {
   int get();
}

Property Value

The number of items contained in the collection.

Example

Visual BasicCopy 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
C#Copy Code
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, you should use your audio device 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;
   }
}

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also