Gets a System.Drawing.Image object.
public virtual Image GetStillImage(
int timeOut
)
Public Overridable Function GetStillImage( _
ByVal timeOut As Integer _
) As Image
public:
virtual Image^ GetStillImage(
int timeOut
)
timeOut
Value containing the maximum time to wait for the image, in milliseconds.
The System.Drawing.Image object
If TimeOut is -1, the method's time-out interval never elapses. 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 PlayCtrlForm _form = new PlayCtrlForm();
public PlayCtrl _playctrl = null;
public bool _result = false;
public string _inFile = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_Source.avi");
public string _outFile = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_GetStillImageExample.jpg");
public void GetStillImageExample()
{
// reference the play control
_playctrl = _form.PlayCtrl;
try
{
// set the test timer on our form
_form.TestTimer.Interval = 2000; // wait 2 seconds after start
_form.TestTimer.Tick += GetStillImage_Helper;
// set input media file
_playctrl.SourceFile = _inFile;
// set the timer on
_form.TestTimer.Start();
}
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 (_playctrl.State == PlayState.Running)
Application.DoEvents();
// check for the capture file and set the result
if (File.Exists(Path.Combine(Directory.GetCurrentDirectory(), _outFile)))
_result = true;
}
public void GetStillImage_Helper(object sender, EventArgs e)
{
// get a still image
Image image = _playctrl.GetStillImage(-1);
if (image != null)
image.Save(_outFile, ImageFormat.Jpeg);
// stop the capture
_playctrl.Stop();
}
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 _form As PlayCtrlForm = New PlayCtrlForm()
Public _playctrl As PlayCtrl = Nothing
Public _result As Boolean = False
Public _inFile As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_Source.avi")
Public _outFile As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_GetStillImageExample.jpg")
Public Sub GetStillImageExample()
' reference the play control
_playctrl = _form.PlayCtrl
Try
' set the test timer on our form
_form.TestTimer.Interval = 2000 ' wait 2 seconds after start
AddHandler _form.TestTimer.Tick, AddressOf GetStillImage_Helper
' set input media file
_playctrl.SourceFile = _inFile
' set the timer on
_form.TestTimer.Start()
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 _playctrl.State = PlayState.Running
Application.DoEvents()
Loop
' check for the capture file and set the result
If File.Exists(Path.Combine(Directory.GetCurrentDirectory(), _outFile)) Then
_result = True
End If
End Sub
Public Sub GetStillImage_Helper(ByVal sender As Object, ByVal e As EventArgs)
' get a still image
Dim image As Image = _playctrl.GetStillImage(-1)
If Not image Is Nothing Then
image.Save(_outFile, ImageFormat.Jpeg)
End If
' stop the capture
_playctrl.Stop()
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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