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IndexOf(int,int) Method

Summary

Gets the index of the size that matches the specified size.

Syntax

C++/CLI

public int IndexOf( 
   int Width, 
   int Height 
)

public: 
int IndexOf(  
   int Width, 
   int Height 
)

Parameters

Width
Video width to find.

Height
Video height to find.

Return Value

The zero-based index of the found item; otherwise, -1 if no item found.

Remarks

Gets the zero-based index of the size that matches the specified size. If the method fails, an error is raised. For more information, refer to the Error Codes.

Example

using Leadtools; 
using Leadtools.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.Fixtures; 
 
 
public bool _result = false; 
public CaptureCtrlForm _form = new CaptureCtrlForm(false); 
 
public void IndexContainsExample() 
{ 
   try 
   { 
      // reference the form capture control 
      CaptureCtrl capturectrl = _form.CaptureCtrl; 
 
      // set a 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 video capture sizes collection 
      CaptureSizes sizes = capturectrl.VideoCaptureSizes; 
 
      // check for 640x480 
      int i = sizes.IndexOf(640, 480); 
 
      // access the input via the collection indexer 
      CaptureSize cs = sizes[i]; 
 
      // check if the collection contains this input  
      // (it should we just got it with IndexOf above!) 
      if (sizes.Contains(cs)) 
      { 
         // set the result to what we expect 
         _result = true; 
      } 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
}

Requirements

Target Platforms

Reference

CaptureSizes Class

CaptureSizes Members

Overload List

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Help Version 23.0.2024.2.29

Leadtools.MediaFoundation Assembly

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Leadtools.MediaFoundation Namespace

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