IndexOf(String) Method

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public int IndexOf( 
   string name
)

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

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

public int IndexOf( 
   string name
)

 function Leadtools.Multimedia.TargetDevices.IndexOf(String)( 
   name 
)

public:
int IndexOf( 
   String^ name
)

Parameters

name: The TargetDevice name to locate in the collection.

Return Value

The zero-based index of the found item; otherwise -1 if no item found.

This method searches the underlying item collection to locate the item name specified.

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

Copy Code

Public _result As Boolean = False
      Public _form As ConvertCtrlForm = New ConvertCtrlForm()
      Public Sub IndexContainsExample()
         ' reference the capture control
         Dim convertctrl As ConvertCtrl = _form.ConvertCtrl

         ' input file
         Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi")

         Try
            ' set the input file
            convertctrl.SourceFile = inFile

            ' reference the video target devices object
            Dim devices As TargetDevices = convertctrl.TargetDevices

            ' check the index of an HD Audio device
            Dim i As Integer = devices.IndexOf("HD Audio")

            Dim dev As TargetDevice = Nothing
            If i > -1 Then
               ' access the input via the collection indexer
               dev = devices(i)
            End If

            ' check if the collection contains this input 
            ' (it should we just got it with IndexOf above)
            If devices.Contains(dev) Then
               ' set the result to what we expect
               _result = True
            End If
         Catch e1 As Exception
            _result = False
         End Try
      End Sub

Public NotInheritable Class LEAD_VARS
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
End Class

public bool _result = false;
      public ConvertCtrlForm _form = new ConvertCtrlForm();
      public void IndexContainsExample()
      {
         // reference the capture control
         ConvertCtrl convertctrl = _form.ConvertCtrl;

         // input file
         string inFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_Source.avi");

         try
         {
            // set the input file
            convertctrl.SourceFile = inFile;

            // reference the video target devices object
            TargetDevices devices = convertctrl.TargetDevices;

            // check the index of an HD Audio device
            int i = devices.IndexOf("HD Audio");

            TargetDevice dev = null;
            if (i > -1)
               // access the input via the collection indexer
               dev = devices[i];

            // check whether the collection contains this input 
            // (it should we just got it with IndexOf above)
            if (devices.Contains(dev))
            {
               // set the result to what we expect
               _result = true;
            }
         }
         catch (Exception)
         {
            _result = false;
         }
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
}

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

Reference

TargetDevices Class
TargetDevices Members
Overload List