Current Property (CaptureSubTypes)

Visual Basic
C#
C++/CLI

'Declaration
 
Public ReadOnly Property Current As Object

'Usage
 
Dim instance As CaptureSubTypes
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

   ' select a video device, use your device name here instead of USB
   If capturectrl.VideoDevices("Analog") Is Nothing Then
      Throw New Exception("No Analog video device available")
   End If

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

   ' get the video capture subtypes collection
   Dim subtypes As CaptureSubTypes = capturectrl.VideoCaptureSubTypes

   Try
      ' loop through all video subtypes
      For Each cs As CaptureSubType In subtypes
         ' set the result to what we expect
         _result = (cs Is subtypes.Current)
      Next cs
   Catch e1 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.
   Do While capturectrl.State = CaptureState.Running
      Application.DoEvents()
   Loop
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;

   // select a video device, use your device name here instead of USB
   if (capturectrl.VideoDevices["Analog"] == null)
      throw new Exception("No Analog video device available");

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

   // get the video capture subtypes collection
   CaptureSubTypes subtypes = capturectrl.VideoCaptureSubTypes;

   try
   {
      // loop through all video subtypes
      foreach (CaptureSubType cs in subtypes)
      {
         // set the result to what we expect
         _result = (cs == subtypes.Current);
      }
   }
   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

CaptureSubTypes Class
CaptureSubTypes Members