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Contains Method

Summary

Determines whether a collection contains a specified TargetFormat item.

Syntax

C++/CLI

public bool Contains( 
   TargetFormat item 
)

public: 
bool Contains(  
   TargetFormat^ item 
)

Parameters

item
The object to locate in the collection.

Return Value

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

Remarks

Determines whether the collection contains the specified TargetFormat item.

Example

using Leadtools; 
using Leadtools.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.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, 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; 
 
      // reference the target formats object 
      TargetFormats formats = capturectrl.TargetFormats; 
 
      // check the index using a name string 
      int i = formats.IndexOf("WMV"); 
 
      // or get a target format directly, using a TargetFormatType enum 
      TargetFormat mp4 = formats[TargetFormatType.MP4]; 
 
      // access the format via the collection indexer 
      TargetFormat af = formats[i]; 
 
      // check if the collection contains this format  
      // (it should we just got it with IndexOf above) 
      if (formats.Contains(af) && formats.Contains(mp4)) 
      { 
         // set the result to what we expect 
         _result = true; 
      } 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
}

Requirements

Target Platforms

Reference

TargetFormats Class

TargetFormats Members

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Help Version 22.0.2022.12.7

Leadtools.MediaFoundation Assembly

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Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

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