IndexOf(string) Method

Summary

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

Syntax
C#
VB
C++
public int IndexOf( 
   string name 
) 
Public Overloads Function IndexOf( _ 
   ByVal name As String _ 
) As Integer 
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.

Remarks

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

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