Public Overridable Property ScaleTop As Single

Dim instance As CaptureCtrl
Dim value As Single
 
instance.ScaleTop = value
 
value = instance.ScaleTop

public virtual float ScaleTop {get; set;}

public:
virtual property float ScaleTop {
   float get();
   void set (    float value);
}

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

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

         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

            If _capturectrl.IsModeAvailable(CaptureMode.Video) Then

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

               ' set the scale top
               _capturectrl.ScaleTop = 100

               ' start capture
               _capturectrl.StartCapture(CaptureMode.Video)

               ' get the scale top
               Dim Top As Single = _capturectrl.ScaleTop

               ' set the result to what we expect
               _result = (Top = 100)
            End If

         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_ScaleTopExample.avi");

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

         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;

            if (capturectrl.IsModeAvailable(CaptureMode.Video))
            {
               // subscribe to the started event
               capturectrl.Started += CaptureCtrl_Started;

               // set the scale top
               capturectrl.ScaleTop = 100;

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

               // get the scale top
               float Top = capturectrl.ScaleTop;

               // set the result to what we expect
               _result = (Top == 100);
            }
         }
         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";
}