Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public _result As Boolean = False
Public Sub CountResetExample()
   Try
      ' reference the form capture control and it's video inputs
      Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
      Dim inputs As CaptureInputs = capturectrl.VideoInputs
      ' get count before setting device
      Dim n As Integer = inputs.Count
      ' 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
      ' get count after setting device
      Dim m As Integer = inputs.Count
      ' reset the collection
      inputs.Reset()
      ' set out result to what we expect 
      _result = (m <> n)
   Catch e1 As Exception
      _result = False
   End Try
End Sub
             
   
     
            using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public bool _result = false;
public void CountResetExample()
{
   try
   {
      // reference the form capture control and it's video inputs
      CaptureCtrl capturectrl = _form.CaptureCtrl;
      CaptureInputs inputs = capturectrl.VideoInputs;
      // get count before setting device
      int n = inputs.Count;
      // 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;
      // get count after setting device
      int m = inputs.Count;
      // reset the collection
      inputs.Reset();
      // set out result to what we expect 
      _result = (m != n);
   }
   catch (Exception)
   {
      _result = false;
   }
}