CaptureStillDelay Property

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

public virtual int CaptureStillDelay {get; set;}

'Declaration
 
Public Overridable Property CaptureStillDelay As Integer

'Usage
 
Dim instance As CaptureCtrl
Dim value As Integer
 
instance.CaptureStillDelay = value
 
value = instance.CaptureStillDelay

public virtual int CaptureStillDelay {get; set;}

 get_CaptureStillDelay();
 set_CaptureStillDelay(value);

public:
virtual property int CaptureStillDelay {
   int get();
   void set (    int value);
}

Property Value

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 graph is started.

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 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 Not image Is 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 e1 As Exception
            _result = False
         End Try
      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 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's 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:\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