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Selected Property

Summary

Indicates whether the format is currently selected.

Syntax

C++/CLI

public bool Selected {get; set;}

public: 
property bool Selected { 
   bool get(); 
   void set (    bool ); 
}

Property Value

true if the format is currently selected; otherwise, it is false if the format is not currently selected. Assignment could raise an error exception. For more information, refer to the Error Codes.

Remarks

Indicates whether the format is currently selected.

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 video device first, you should use your video device name here 
      if (capturectrl.VideoDevices["USB"] == null) 
         throw new Exception("No USB video device available"); 
 
      capturectrl.VideoDevices["USB"].Selected = true; 
 
      // reference the target formats object 
      TargetFormats formats = capturectrl.TargetFormats; 
 
      // reference the target format object 
      TargetFormat tf = formats[TargetFormatType.MP4]; 
 
      // reference the target video formats object 
      TargetVideoFormats targetformats = tf.VideoFormats; 
 
      // check the index using a name string 
      int i = targetformats.IndexOf("{34363248-0000-0010-8000-00AA00389B71}");// H264 
 
      // get target video format object 
      TargetVideoFormat tvf = targetformats[i]; 
 
      // make sure the target video format object's name equals {34363248-0000-0010-8000-00AA00389B71} 
      // which should have the same index of the selection 
      if (tvf.Name == "{34363248-0000-0010-8000-00AA00389B71}" && targetformats.Selection == i) 
      { 
         // get target video format friendly name, use it for view propose. 
         string friendlyname = tvf.FriendlyName; 
      } 
      else 
         throw new Exception(); 
 
      // select it 
      tvf.Selected = true; 
 
      // check if the collection contains this format  
      // (it should we just got it with IndexOf above) 
      if (targetformats.Contains(tvf)) 
      { 
         // set the result to what we expect 
         _result = true; 
      } 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
}

Requirements

Target Platforms

Reference

TargetVideoFormat Class

TargetVideoFormat Members

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Help Version 23.0.2024.2.29

Leadtools.MediaFoundation Assembly

Introduction

Getting Started

Namespaces

Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

Assemblies