public virtual CaptureState State { get; }
Public Overridable ReadOnly Property State As CaptureState
public:
virtual property CaptureState State {
CaptureState get();
}
A CaptureState enumeration value indicating the current control state.
The value is one of the CaptureState enumeration values.
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void RunCaptureExample()
{
// reference the capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_RunCaptureExample.avi");
try
{
// try to find a USB camera
if (capturectrl.VideoDevices["USB"] == null)
throw new Exception("No USB video device available");
capturectrl.VideoDevices["USB"].Selected = true;
// set the target output file
capturectrl.TargetFile = outFile;
// check if we have can capture video
if (capturectrl.IsModeAvailable(CaptureMode.Video))
{
capturectrl.FrameDelay = .033; // 30 frames per second
capturectrl.TimeLimit = 10; // just 10 seconds of capture time
capturectrl.UseTimeLimit = true;
// subscribe to the compete event
capturectrl.Complete += RunCapture_Helper;
// prepare the capture process
capturectrl.ReadyCapture(CaptureMode.Video | CaptureMode.InhibitRun);
// actually run the capture now!
capturectrl.RunCapture();
// 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();
}
}
catch (Exception)
{
_result = false;
}
}
public void RunCapture_Helper(object sender, EventArgs e)
{
// set result
_result = true;
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\LEADTOOLS21\Media";
}
Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures
Public _result As Boolean = False
Public _form As New CaptureCtrlForm()
Public Sub RunCaptureExample()
' reference the capture control
Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_RunCaptureExample.avi")
Try
' try to find a USB camera
If capturectrl.VideoDevices("USB") Is Nothing Then
Throw New Exception("No USB video device available")
End If
capturectrl.VideoDevices("USB").Selected = True
' set the target output file
capturectrl.TargetFile = outFile
' check if we have can capture video
If capturectrl.IsModeAvailable(CaptureMode.Video) Then
capturectrl.FrameDelay = 0.033
' 30 frames per second
capturectrl.TimeLimit = 10
' just 10 seconds of capture time
capturectrl.UseTimeLimit = True
' subscribe to the compete event
AddHandler capturectrl.Complete, AddressOf RunCapture_Helper
' prepare the capture process
capturectrl.ReadyCapture(CaptureMode.Video Or CaptureMode.InhibitRun)
' actually run the capture now!
capturectrl.RunCapture()
' 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()
End While
End If
Catch generatedExceptionName As Exception
_result = False
End Try
End Sub
Public Sub RunCapture_Helper(ByVal sender As Object, ByVal e As EventArgs)
' set result
_result = True
End Sub
Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\LEADTOOLS21\Media"
End Class
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
Your email has been sent to support! Someone should be in touch! If your matter is urgent please come back into chat.
Chat Hours:
Monday - Friday, 8:30am to 6pm ET
Thank you for your feedback!
Please fill out the form again to start a new chat.
All agents are currently offline.
Chat Hours:
Monday - Friday
8:30AM - 6PM EST
To contact us please fill out this form and we will contact you via email.