public virtual int CaptureStillDelay { get; set; }
Public Overridable Property CaptureStillDelay As Integer
A value representing the capture time delay in milliseconds.
Call the CaptureDIB or CaptureImage methods to capture a still image using this capture time delay after the capture session is started.
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void CaptureStillDelayExample()
{
// reference the capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
// output file
string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_CaptureStillDelayExample.jpg");
try
{
// set the video capture device, use your capture device name here
if (capturectrl.VideoDevices["USB"] == null)
throw new Exception("No USB video device available");
capturectrl.VideoDevices["USB"].Selected = true;
// set the still capture delay
capturectrl.CaptureStillDelay = 1000;
// set the capture mode to still and start
capturectrl.StartCapture(CaptureMode.Still);
// get a still image
Image image = capturectrl.CaptureImage();
if (image != null)
image.Save(outFile, ImageFormat.Jpeg);
// stop the capture
capturectrl.StopCapture();
// check for the capture file and set the result
if (File.Exists(Path.Combine(Directory.GetCurrentDirectory(), outFile)))
_result = true;
}
catch (Exception)
{
_result = false;
}
}
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 CaptureStillDelayExample()
' reference the capture control
Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
' output file
Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_CaptureStillDelayExample.jpg")
Try
' set the video capture device, use your capture 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
' set the still capture delay
capturectrl.CaptureStillDelay = 1000
' set the capture mode to still and start
capturectrl.StartCapture(CaptureMode.Still)
' get a still image
Dim image As Image = capturectrl.CaptureImage()
If image IsNot Nothing Then
image.Save(outFile, ImageFormat.Jpeg)
End If
' stop the capture
capturectrl.StopCapture()
' check for the capture file and set the result
If File.Exists(Path.Combine(Directory.GetCurrentDirectory(), outFile)) Then
_result = True
End If
Catch generatedExceptionName As Exception
_result = False
End Try
End Sub
Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\LEADTOOLS21\Media"
End Class
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