LEADTOOLS Multimedia (Leadtools.MediaFoundation assembly)

Current Property (CaptureInputs)

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Example 



Gets the current item in the collection.
Syntax
'Declaration
 
Public ReadOnly Property Current As Object
'Usage
 
Dim instance As CaptureInputs
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.
Remarks
Gets the current item in the collection.
Example
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 and it's video inputs
   Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

   ' set a video device first, you should use your video device name here
   If capturectrl.VideoDevices("Analog") Is Nothing Then
      Throw New Exception("No Analog video tuner device available")
   End If

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

   Dim inputs As CaptureInputs = capturectrl.VideoInputs

   Try
      ' enumerate through the list of inputs
      ' demonstrating the current property
      For Each ci As CaptureInput In inputs
         ' set the result to what we expect
         _result = (ci Is inputs.Current)
      Next ci
   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 and it's video inputs
   CaptureCtrl capturectrl = _form.CaptureCtrl;

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

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

   CaptureInputs inputs = capturectrl.VideoInputs;

   try
   {
      // enumerate through the list of inputs
      // demonstrating the current property
      foreach (CaptureInput ci in inputs)
      {
         // set the result to what we expect
         _result = (ci == inputs.Current);
      }
   }
   catch (Exception)
   {
      _result = false;
   }
}
Requirements

Target Platforms

See Also

Reference

CaptureInputs Class
CaptureInputs Members

 

 


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