IndexOf(String) Method

Visual Basic
C#
C++/CLI

'Declaration
 
Public Overloads Function IndexOf( _
   ByVal name As String _
) As Integer

'Usage
 
Dim instance As Processors
Dim name As String
Dim value As Integer
 
value = instance.IndexOf(name)

public int IndexOf( 
   string name
)

public:
int IndexOf( 
   String^ name
)

Parameters

name: A string value representing the name of the Processor to find.

Return Value

The zero-based index position of the Processor item found, or -1 if not found.

Returns the index of the first occurrence of a Processor object whose name matches the given string.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

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

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;
   }
}

Target Platforms

Reference

Processors Class
Processors Members
Overload List