Specifies the unit of measure for the control.
public virtual ScaleMode ScaleMode { get; set; }
Public Overridable Property ScaleMode As ScaleMode
A ScaleMode value representing the unit of measure.
The value should be one of the ScaleMode enumeration values. Assignment can raise an error exception. For more information, refer to the Error Codes.
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
// capture control
CaptureCtrl capturectrl;
// output file
string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_ScaleModeExample.avi");
public void ScaleModeExample()
{
// reference the capture control
capturectrl = _form.CaptureCtrl;
try
{
// set the source video device, select using your device 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;
// subscribe to the started event
capturectrl.Started += new System.EventHandler(CaptureCtrl_Started);
// set scale mode
capturectrl.ScaleMode = ScaleMode.Pixels;
// start capture
capturectrl.StartCapture(CaptureMode.Video);
// get the scale mode
ScaleMode Mode = capturectrl.ScaleMode;
// set the result to what we expect
_result = (Mode == ScaleMode.Pixels);
}
catch (COMException)
{
_result = false;
}
catch (Exception)
{
_result = false;
}
}
void CaptureCtrl_Started(object sender, EventArgs e)
{
// stop the capture (we don't need a complete capture for this example)
capturectrl.StopCapture();
}
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 _result As Boolean = False
Public _form As New CaptureCtrlForm()
' capture control
Private capturectrl As CaptureCtrl
' output file
Private outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_ScaleModeExample.avi")
Public Sub ScaleModeExample()
' reference the capture control
capturectrl = _form.CaptureCtrl
Try
' set the source video device, select using your 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
' subscribe to the started event
AddHandler capturectrl.Started, AddressOf CaptureCtrl_Started
' set scale mode
capturectrl.ScaleMode = ScaleMode.Pixels
' start capture
capturectrl.StartCapture(CaptureMode.Video)
' get the scale mode
Dim Mode As ScaleMode = capturectrl.ScaleMode
' set the result to what we expect
_result = (Mode = ScaleMode.Pixels)
Catch generatedExceptionName As COMException
_result = False
Catch generatedExceptionName As Exception
_result = False
End Try
End Sub
Private Sub CaptureCtrl_Started(ByVal sender As Object, ByVal e As EventArgs)
' stop the capture (we don't need a complete capture for this example)
capturectrl.StopCapture()
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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