VideoWindow Property (CaptureCtrl)

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public virtual IntPtr VideoWindow {get;}

'Declaration
 
Public Overridable ReadOnly Property VideoWindow As IntPtr

'Usage
 
Dim instance As CaptureCtrl
Dim value As IntPtr
 
value = instance.VideoWindow

public virtual IntPtr VideoWindow {get;}

 get_VideoWindow();

public:
virtual property IntPtr VideoWindow {
   IntPtr get();
}

Property Value

An IntPtr value representing the video window handle.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

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

         ' output file
         Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_VideoWindowExample.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
               ' enable the preview
               _capturectrl.Preview = True

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

               ' start capture
               _capturectrl.StartCapture(CaptureMode.Video)

               ' get the video window handle
               Dim handle As IntPtr = _capturectrl.VideoWindow

               ' set the result to what we expect
               _result = (handle <> Nothing)
            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 175\Media";
End Class

public bool _result = false;
      public CaptureCtrlForm _form = new CaptureCtrlForm();
      public CaptureCtrl _capturectrl;
      public void VideoWindowExample()
      {
         // reference the capture control
         _capturectrl = _form.CaptureCtrl;

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

         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))
            {
               // enable the preview
               _capturectrl.Preview = true;

               // subscrible to the started event
               _capturectrl.Started += new EventHandler(CaptureCtrl_Started);

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

               // get the video window handle
               IntPtr handle = _capturectrl.VideoWindow;

               // set the result to what we expect
               _result = (handle != null);
            }
         }
         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();
      }

      void CaptureCtrl_Started(object sender, EventArgs e)
      {
         // stop the capture (we do not need a complete capture for this example)
         _capturectrl.StopCapture();
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

CaptureCtrl Class
CaptureCtrl Members