Pauses the capture control.
public virtual void PauseCapture()
Public Overridable Sub PauseCapture()
public:
virtual void PauseCapture();
Places the object in the CaptureState.Paused state. The object must be in the CaptureState.Pending or CaptureState.Running state prior to calling this method. To resume capturing, call the RunCapture method. If the method fails, an error is raised. For more information, refer to the Error Codes.
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:\Program Files (x86)\LEAD Technologies\LEADTOOLS 20\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:\Program Files (x86)\LEAD Technologies\LEADTOOLS 20\Media"
End Class
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