Current Property (TargetVideoFormats)

Visual Basic
C#
C++/CLI

'Declaration
 
Public ReadOnly Property Current As Object

'Usage
 
Dim instance As TargetVideoFormats
Dim value As Object
 
value = instance.Current

public object Current {get;}

public:
property Object^ Current {
   Object^ get();
}

Property Value

The current item in the collection.

Gets the current item in the collection.

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 CaptureCtrlForm = New CaptureCtrlForm()
Public Sub CurrentExample()
   ' reference the capture control
   Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

   Try
      ' set an video device first, you should use your video 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

      ' reference the target formats collection
      Dim formats As TargetFormats = capturectrl.TargetFormats

      ' reference the target format object
      Dim tf As TargetFormat = formats(TargetFormatType.MP4)

      ' reference the target video formats object
      Dim tvformats As TargetVideoFormats = tf.VideoFormats

      ' enumerate through the list of formats
      ' demonstrating the current property
      For Each tvf As TargetVideoFormat In tvformats
         ' set the result to what we expect
         _result = (tvf Is tvformats.Current)
      Next tvf
   Catch e1 As Exception
      _result = False
   End Try
End Sub

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

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

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

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

      // reference the target formats collection
      TargetFormats formats = capturectrl.TargetFormats;

      // reference the target format object
      TargetFormat tf = formats[TargetFormatType.MP4];

      // reference the target video formats object
      TargetVideoFormats tvformats = tf.VideoFormats;

      // enumerate through the list of formats
      // demonstrating the current property
      foreach (TargetVideoFormat tvf in tvformats)
      {
         // set the result to what we expect
         _result = (tvf == tvformats.Current);
      }
   }
   catch (Exception)
   {
      _result = false;
   }
}

Target Platforms

Reference

TargetVideoFormats Class
TargetVideoFormats Members