Count Property

Summary
Gets the number of items contained in the collection.
Syntax
C#
C++/CLI
public int Count { get; } 
public: 
property int Count { 
   int get(); 
} 

Property Value

The number of items contained in the collection.

Example
C#
using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
 
public CaptureCtrlForm _form = new CaptureCtrlForm(); 
public bool _result = false; 
 
public void CountExample() 
{ 
   try 
   { 
      // reference the form capture control and its video inputs 
      CaptureCtrl capturectrl = _form.CaptureCtrl; 
      Devices devices = capturectrl.VideoDevices; 
 
      // get count before setting device 
      int n = devices.Count; 
 
      // set a video device first.  use your video device's name here 
      if (capturectrl.VideoDevices["Analog"] == null) 
         throw new Exception("No Analog video tuner device available"); 
 
      capturectrl.VideoDevices["Analog"].Selected = true; 
 
      // get count after setting device 
      int m = devices.Count; 
 
      // set out result to what we expect  
      _result = (m == n); 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
Requirements

Target Platforms

See Also

Reference

Devices Class

Devices Members

Help Version 22.0.2022.12.7
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Multimedia Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.