Item Property

Summary

Gets or sets the Processor item at the specified index.

Syntax
C#
VB
C++
public Processor Item( 
   int index 
) { get; set; } 
Public Overloads Property Item( _ 
   ByVal index As Integer _ 
) As Processor 
public: 
property Processor^ Item { 
   Processor^ get(int index); 
   void set (int index, Processor^ ); 
} 

Parameters

index
The zero-based index of the item to get or set.

Property Value

The Processor item at the specified index.

Exceptions

ExceptionDescription
System.ArgumentOutOfRangeExceptionThe exception that is thrown when the value of an argument is outside the allowable range of values as defined by the invoked method.
Remarks

This property provides the ability to access a specific item in the collection by using the following syntax: myCollection[index] The C# language uses the this keyword to define the indexers instead of implementing the Item property. VB implements Item as a default property, which provides the same indexing functionality.

Example
C#
VB
using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
public bool _result = false; 
public PlayCtrlForm _form = new PlayCtrlForm(); 
 
public void IndexOfExample() 
{ 
   // reference the play control 
   PlayCtrl playctrl = _form.PlayCtrl; 
 
   try 
   { 
      // get the play controls available audio processors 
      AudioProcessors allProcs = playctrl.AudioProcessors; 
 
      // get the play controls selected audio processors 
      AudioProcessors selProcs = playctrl.SelectedAudioProcessors; 
 
      // add a couple processors to the selected audio processors collection 
      selProcs.Add(allProcs.Chorus); 
      selProcs.Add(allProcs.Echo); 
 
      // get the indexes of added audio processors 
      int i = selProcs.IndexOf(allProcs.Chorus); 
      int j = selProcs.IndexOf(allProcs.Echo); 
 
      // set the result to what we expect 
      _result = (selProcs[i] == selProcs.Chorus && selProcs[j] == selProcs.Echo); 
      //_result = (i > -1 && j > -1 && i != j); 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
Imports Leadtools 
Imports Leadtools.Multimedia 
Imports LeadtoolsMultimediaExamples.Fixtures 
 
Public _result As Boolean = False 
Public _form As PlayCtrlForm = New PlayCtrlForm() 
 
Public Sub IndexOfExample() 
   ' reference the play control 
   Dim playctrl As PlayCtrl = _form.PlayCtrl 
 
   Try 
      ' get the play controls available audio processors 
      Dim allProcs As AudioProcessors = playctrl.AudioProcessors 
 
      ' get the play controls selected audio processors 
      Dim selProcs As AudioProcessors = playctrl.SelectedAudioProcessors 
 
      ' add a couple processors to the selected audio processors collection 
      selProcs.Add(allProcs.Chorus) 
      selProcs.Add(allProcs.Echo) 
 
      ' get the indexes of added audio processors 
      Dim i As Integer = selProcs.IndexOf(allProcs.Chorus) 
      Dim j As Integer = selProcs.IndexOf(allProcs.Echo) 
 
      ' set the result to what we expect 
      _result = (i > -1 AndAlso j > -1 AndAlso i <> j) 
   Catch e1 As Exception 
      _result = False 
   End Try 
End Sub 
Requirements

Target Platforms

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Leadtools.Multimedia Assembly