LEADTOOLS Multimedia (Leadtools.Multimedia assembly)
LEAD Technologies, Inc

IndexOf(String) Method

Example 





A string value representing the name of the Processor to find.
Returns the index of the first occurrence of a Processor object whose name matches the given string.
Syntax
public int IndexOf( 
   string name
)
'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
)
 function Leadtools.Multimedia.Processors.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.
Remarks
Returns the index of the first occurrence of a Processor object whose name matches the given string.
Example
Copy CodeCopy Code  
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
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;
   }
}
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

Processors Class
Processors Members
Overload List

 

 


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Leadtools.Multimedia requires a Multimedia or Multimedia Suite license and unlock key. For more information, refer to: LEADTOOLS Toolkit Features