IndexOf(CaptureSubType) Method

Summary
Returns the index of the first occurrence of a CaptureSubType object.
Syntax
C#
C++/CLI
public int IndexOf( 
   CaptureSubType item 
) 
public: 
int IndexOf(  
   CaptureSubType^ item 
)  

Parameters

item
A CaptureSubType object reference of the item to find.

Return Value

The zero-based index position of the CaptureSubType item found. If the item is not found it will return -1.

Example
C#
using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
 
public bool _result = false; 
public CaptureCtrlForm _form = new CaptureCtrlForm(); 
 
public void IndexContainsExample() 
{ 
   try 
   { 
      // reference the form capture control 
      CaptureCtrl capturectrl = _form.CaptureCtrl; 
 
      // set a video device first.  use your video device's name here 
      if (capturectrl.VideoDevices["Analog"] == null) 
         throw new Exception("No Analog video device available"); 
 
      capturectrl.VideoDevices["Analog"].Selected = true; 
 
      // reference the video capture subtypes collection 
      CaptureSubTypes stypes = capturectrl.VideoCaptureSubTypes; 
 
      // check for RGB32 subtype 
      int i = stypes.IndexOf(Constants.MEDIASUBTYPE_RGB32); 
 
      // access the input via the collection indexer 
      CaptureSubType cs = stypes[i]; 
 
      // check whether the collection contains this subtype  
      // (it should since we just got it with IndexOf above!) 
      if (stypes.Contains(cs)) 
      { 
         // set the result to what we expect 
         _result = true; 
      } 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
Requirements

Target Platforms

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.