Selection Property (TargetDevices)

public int Selection {get; set;}

public:
property int Selection {
   int get();
   void set (    int value);
}

'Declaration

Public Property Selection As Integer

'Usage

Dim instance As TargetDevices
Dim value As Integer
 
instance.Selection = value
 
value = instance.Selection

Property Value

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

Gets the zero-based index of the currently selected TargetDevice item. Assignment can raise an error exception. For more information, refer to the Error Codes.

C#
Visual Basic

Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures

Public _result As Boolean = False
Public _form As ConvertCtrlForm = New ConvertCtrlForm()
Public Sub TargetDevicesExample()
   Dim inputName, inputFriendlyName As String
   Dim selectedCamera As Integer

   ' reference the convert control
   Dim convertctrl As ConvertCtrl = _form.ConvertCtrl

   Try
      ' get the target devices object
      Dim devices As TargetDevices = convertctrl.TargetDevices

      ' select an input by name if possible
      If devices("Microsoft DV Camera") Is Nothing Then
         Throw New Exception("No MS DV Camera device available!")
      End If

      devices("Microsoft DV Camera").Selected = True

      ' get the full friendly name of the device 
      Dim friendlyName As String = devices("Microsoft DV Camera").FriendlyName

      ' get the selected index of the currently selected target device
      ' (the MS DV camera above)
      selectedCamera = devices.Selection

      ' now enumerate all the target devices,
      ' looking for an audio device and select it
      For Each td As TargetDevice In devices
         ' get the inputs properties
         inputName = td.Name
         inputFriendlyName = td.FriendlyName

         ' if we found a target audio device
         If inputFriendlyName.Contains("Audio") Then
            ' select it and break
            td.Selected = True
            Exit For
         End If
      Next td

      ' set the result to what we expect
      _result = (selectedCamera <> devices.Selection)

   Catch e1 As Exception
      _result = False
   End Try
End Sub

using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;

public bool _result = false;
public ConvertCtrlForm _form = new ConvertCtrlForm();
public void TargetDevicesExample()
{
   string inputName, inputFriendlyName;
   int selectedCamera;

   // reference the convert control
   ConvertCtrl convertctrl = _form.ConvertCtrl;

   try
   {
      // get the target devices object
      TargetDevices devices = convertctrl.TargetDevices;

      // select an input by name if possible
      if (devices["Microsoft DV Camera"] == null)
         throw new Exception("No MS DV Camera device available!");

      devices["Microsoft DV Camera"].Selected = true;

      // get the full friendly name of the device 
      string friendlyName = devices["Microsoft DV Camera"].FriendlyName;

      // get the selected index of the currently selected target device
      // (the MS DV camera above)
      selectedCamera = devices.Selection;

      // now enumerate all the target devices,
      // looking for an audio device and select it
      foreach (TargetDevice td in devices)
      {
         // get the inputs properties
         inputName = td.Name;
         inputFriendlyName = td.FriendlyName;

         // if we found a target audio device
         if (inputFriendlyName.Contains("Audio"))
         {
            // select it and break
            td.Selected = true;
            break;
         }
      }

      // set the result to what we expect
      _result = (selectedCamera != devices.Selection);

   }
   catch (Exception)
   {
      _result = false;
   }
}

Target Platforms

Reference

TargetDevices Class
TargetDevices Members