LEADTOOLS Multimedia (Leadtools.Multimedia assembly)

Count Property (TargetFormats)

Show in webframe
Example 



Gets the number of items contained in the collection.
Syntax
'Declaration
 
Public ReadOnly Property Count As Integer
'Usage
 
Dim instance As TargetFormats
Dim value As Integer
 
value = instance.Count
public int Count {get;}
public:
property int Count {
   int get();
}

Property Value

The number of items contained in the collection.
Example
Copy Code  
Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures

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
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;

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;
   }
}
Requirements

Target Platforms

See Also

Reference

TargetFormats Class
TargetFormats Members

 

 


Products | Support | Contact Us | Copyright Notices
© 2006-2014 All Rights Reserved. LEAD Technologies, Inc.

Leadtools.Multimedia requires a Multimedia or Multimedia Suite license and unlock key. For more information, refer to: LEADTOOLS Toolkit Features