Selection Property (TargetFormats)

Visual Basic
C#
C++/CLI

'Declaration
 
Public Property Selection As Integer

'Usage
 
Dim instance As TargetFormats
Dim value As Integer
 
instance.Selection = value
 
value = instance.Selection

public int Selection {get; set;}

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

Property Value

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

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

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

Copy Code

Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures

Public _result As Boolean = False
Public _form As New CaptureCtrlForm()
Public Sub TargetFormatsExample()
    ' reference the capture control
    Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

    Try
        ' set the video capture device, use your capture device name here
        If capturectrl.VideoDevices("USB") Is Nothing Then
            Throw New Exception("No USB video device available")
        End If

        capturectrl.VideoDevices("USB").Selected = True

        ' set the audio capture device, use your capture device name here
        If capturectrl.AudioDevices("USB") Is Nothing Then
            Throw New Exception("No USB audio device available")
        End If

        capturectrl.AudioDevices("USB").Selected = True

        ' select the MP4 target format
        capturectrl.TargetFormats(TargetFormatType.MP4).Selected = True

        ' get the current selected input
        Dim n As Integer = capturectrl.TargetFormats.Selection

        ' loop through the target formats and set a different one
        For Each t As TargetFormat In capturectrl.TargetFormats
            ' get the format properties
            Dim name As String = t.Name
            Dim sft As StreamFormatType = t.Streams

            ' if we found the video tuner input
            If name = "WMV" Then
                ' select it and break
                t.Selected = True
                Exit For
            End If
        Next

        ' check it directly
        Dim tft As TargetFormatType = capturectrl.TargetFormat

        ' set the result to what we expect
        _result = (tft <> TargetFormatType.MP4 AndAlso n <> capturectrl.TargetFormats.Selection)
    Catch generatedExceptionName As Exception
        _result = False
    End Try

    ' we'll loop on the state and pump messages for this example.
    ' but you should not need to if running from a Windows Forms application.
    While capturectrl.State = CaptureState.Running
        Application.DoEvents()
    End While
End Sub

using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;

public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void TargetFormatsExample()
{
   // reference the capture control
   CaptureCtrl capturectrl = _form.CaptureCtrl;

   try
   {
      // set the video capture device, use your capture device name here
      if (capturectrl.VideoDevices["USB"] == null)
         throw new Exception("No USB video device available");

      capturectrl.VideoDevices["USB"].Selected = true;

      // set the audio capture device, use your capture device name here
      if (capturectrl.AudioDevices["USB"] == null)
         throw new Exception("No USB audio device available");

      capturectrl.AudioDevices["USB"].Selected = true;

      // select the MP4 target format
      capturectrl.TargetFormats[TargetFormatType.MP4].Selected = true;

      // get the current selected input
      int n = capturectrl.TargetFormats.Selection;

      // loop through the target formats and set a different one
      foreach (TargetFormat t in capturectrl.TargetFormats)
      {
         // get the format properties
         string name = t.Name;
         StreamFormatType sft = t.Streams;

         // if we found the video tuner input
         if (name == "WMV")
         {
            // select it and break
            t.Selected = true;
            break;
         }
      }

      // check it directly
      TargetFormatType tft = capturectrl.TargetFormat;

      // set the result to what we expect
      _result = (tft != TargetFormatType.MP4 && n != capturectrl.TargetFormats.Selection);
   }
   catch (Exception)
   {
      _result = false;
   }

   // we'll loop on the state and pump messages for this example.
   // but you should not need to if running from a Windows Forms application.
   while (capturectrl.State == CaptureState.Running)
      Application.DoEvents();
}

Target Platforms

Reference

TargetFormats Class
TargetFormats Members