Public Overridable ReadOnly Property AverageFrameSize As Integer

Dim instance As CaptureCtrl
Dim value As Integer
 
value = instance.AverageFrameSize

public virtual int AverageFrameSize {get;}

public:
virtual property int AverageFrameSize {
   int get();
}

Public _result As Boolean = False
      Public _form As CaptureCtrlForm = New CaptureCtrlForm()
      Public _capturectrl As CaptureCtrl
      Public Sub AverageFrameSizeExample()
         ' reference the capture control
         _capturectrl = _form.CaptureCtrl

         ' output file
         Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_AverageFrameSizeExample.avi")

         ' average frame size
         Dim AverageFrameSize As Integer

         Try
            ' set the source video device, select using your 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

            ' select a video compressor
            _capturectrl.VideoCompressors.Mpeg4.Selected = True

            ' set the target output file
            _capturectrl.TargetFile = outFile

            ' subscribe to the started event
            AddHandler _capturectrl.Started, AddressOf CaptureCtrl_Started

            ' start capture
            _capturectrl.StartCapture(CaptureMode.Video)

            ' get the average frame size
            AverageFrameSize = _capturectrl.AverageFrameSize

            ' set the result to what we expect
            _result = (AverageFrameSize > 0)

         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

      Private Sub CaptureCtrl_Started(ByVal sender As Object, ByVal e As EventArgs)
         ' stop the capture (we don't need a complete capture for this example)
         _capturectrl.StopCapture()
      End Sub

Public NotInheritable Class LEAD_VARS
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media"
End Class

public bool _result = false;
      public CaptureCtrlForm _form = new CaptureCtrlForm();
      // capture control
      CaptureCtrl capturectrl;

      // output file
      string outFile = Path.Combine(LEAD_VARS.MediaDir,"CaptureCtrl_AverageFrameSizeExample.avi");

      public void AverageFrameSizeExample()
      {
         // reference the capture control
         capturectrl = _form.CaptureCtrl;

         // average frame size
         int AverageFrameSize = 0;

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

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

            // select a video compressor
            capturectrl.VideoCompressors.Mpeg4.Selected = true;

            // set the target output file
            capturectrl.TargetFile = outFile;

            // subscribe to the started event
            capturectrl.Started += new System.EventHandler (CaptureCtrl_Started);

            // start capture
            capturectrl.StartCapture(CaptureMode.Video);

            // get the average frame size
            AverageFrameSize = capturectrl.AverageFrameSize;

            // set the result to what we expect
            _result = (AverageFrameSize > 0);
         }
         catch (COMException)
         {
            _result = false;
         }
         catch (Exception)
         {
            _result = false;
         }
      }

      void CaptureCtrl_Started(object sender, EventArgs e)
      {
         // stop the capture (we don't need a complete capture for this example)
         capturectrl.StopCapture();
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media";
}