public virtual Stream TargetStream { get; set; }
Public Overridable Property TargetStream As Stream
A System.IO.Stream object for the target stream.
The value of the TargetType property needs to be set to TargetObjectType.Stream for this method.
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public CaptureCtrl _capturectrl = null;
public bool _result = false;
public void TargetStreamExample()
{
// reference the capture control
_capturectrl = _form.CaptureCtrl;
// output file
string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_TargetStreamExample.avi");
try
{
_capturectrl.VideoDevices["USB"].Selected = true;
_capturectrl.TargetType = TargetObjectType.Stream;
}
catch (Exception)
{
_result = false;
}
// 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();
}
// This method will get the data of the target stream for the capture
private void GetTargetData()
{
Stream ts = _capturectrl.TargetStream;
if (ts != null)
{
byte[] buffer = new byte[ts.Length + 1];
int read = ts.Read(buffer, 0, (int)ts.Length);
}
}
public void TargetStream_Helper(object sender, EventArgs e)
{
// set result
_result = true;
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\LEADTOOLS21\Media";
}
Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public _capturectrl As CaptureCtrl = Nothing
Public _result As Boolean = False
Public Sub TargetStreamExample()
' reference the capture control
_capturectrl = _form.CaptureCtrl
' output file
Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_TargetStreamExample.avi")
Try
_capturectrl.VideoDevices("USB").Selected = True
_capturectrl.TargetType = TargetObjectType.Stream
Catch e1 As Exception
_result = False
End Try
' 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 Sub
' This method will get the data of the target stream for the capture
Private Sub GetTargetData()
Dim ts As Stream = _capturectrl.TargetStream
If Not ts Is Nothing Then
Dim buffer As Byte() = New Byte(CInt(ts.Length)) {}
Dim read As Integer = ts.Read(buffer, 0, CInt(ts.Length))
End If
End Sub
Public Sub TargetStream_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
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