Gets the handle to the current video window.
public virtual IntPtr VideoWindow { get; }
Public Overridable ReadOnly Property VideoWindow As IntPtr
public:
virtual property IntPtr VideoWindow {
IntPtr get();
}
An IntPtr value representing the video window handle.
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
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;
// subscribe 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 20\Media";
}
Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures
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
' subscribe 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 20\Media"
End Class
Help Collections
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