Starts capturing data.
public virtual void StartCapture(
Leadtools.Multimedia.CaptureMode mode
)
Public Overridable Sub StartCapture( _
ByVal mode As Leadtools.Multimedia.CaptureMode _
)
public:
virtual void StartCapture(
Leadtools.Multimedia.CaptureMode mode
)
mode
Specifies the capture Mode. Must be one of the CaptureMode enumeration values.
Starts capturing data. Places the object in the CaptureState.Running state. If the method fails, an error is raised. For more information, refer to the Error Codes.
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void CompleteExample()
{
// reference the capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_CompleteExample.avi");
try
{
// try to find a USB video device. use your video device's name here
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;
// MPEG4 is a good general compressor
capturectrl.VideoCompressors.Mpeg4.Selected = true;
// check whether we 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 complete event
capturectrl.Complete += new EventHandler(CaptureCtrl_Complete);
// start the capture process
capturectrl.StartCapture(CaptureMode.Video);
// 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 CaptureCtrl_Complete(object sender, EventArgs e)
{
// set result (capture has completed)
_result = true;
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media";
}
Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures
Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub CompleteExample()
' reference the capture control
Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_CompleteExample.avi")
Try
' try to find a USB video device, use your video 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 target output file
capturectrl.TargetFile = outFile
' MPEG4 is a good general compressor
capturectrl.VideoCompressors.Mpeg4.Selected = True
' 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 complete event
AddHandler capturectrl.Complete, AddressOf CaptureCtrl_Complete
' start the capture process
capturectrl.StartCapture(CaptureMode.Video)
' 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 If
Catch e1 As Exception
_result = False
End Try
End Sub
Public Sub CaptureCtrl_Complete(ByVal sender As Object, ByVal e As EventArgs)
' set result (capture has completed)
_result = True
End Sub
Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media"
End Class
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