Contains Method

Summary
Determines whether a collection contains a specified AudioFormat item.
Syntax
C#
C++/CLI
public bool Contains( 
   AudioFormat item 
) 
public: 
bool Contains(  
   AudioFormat^ item 
)  

Parameters

item
The object to locate in the collection.

Return Value

true if the item was found in the collection; false, otherwise.

Remarks

Determines whether the collection contains the specified AudioFormat item.

Example
C#
using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
 
public bool _result = false; 
public CaptureCtrlForm _form = new CaptureCtrlForm(); 
 
public void IndexContainsExample() 
{ 
   // reference the capture control 
   CaptureCtrl capturectrl = _form.CaptureCtrl; 
 
   try 
   { 
      // 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; 
 
      // reference the audio formats object 
      AudioFormats audioformats = capturectrl.AudioCaptureFormats; 
 
      // check the index of 8hz, 16-bit, stereo 
      int i = audioformats.IndexOf(8000, 16, 2); 
 
      // access the format via the collection indexer 
      AudioFormat af = audioformats[i]; 
 
      // check whether the collection contains this format  
      // (it should since we just got it with IndexOf above) 
      if (audioformats.Contains(af)) 
      { 
         // set the result to what we expect 
         _result = true; 
      } 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
Requirements

Target Platforms

Help Version 23.0.2024.2.29
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© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

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