Leadtools.MediaFoundation Namespace > CaptureCtrl Class : VideoWindowLeft Property |
'Declaration Public Overridable ReadOnly Property VideoWindowLeft As Single
'Usage Dim instance As CaptureCtrl Dim value As Single value = instance.VideoWindowLeft
public virtual float VideoWindowLeft {get;}
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_VideoWindowLeftExample.avi") Public Sub VideoWindowLeftExample() ' reference the capture control capturectrl = _form.CaptureCtrl ' video window left Dim Left As [Single] = 0 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 If capturectrl.IsModeAvailable(CaptureMode.Video) Then ' enable the preview capturectrl.Preview = True ' get the video window left Left = capturectrl.VideoWindowLeft ' set the result to what we expect _result = (Left <> 0) End If Catch generatedExceptionName As COMException _result = False Catch generatedExceptionName 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 18\Media" End Class
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_VideoWindowLeftExample.avi"); public void VideoWindowLeftExample() { // reference the capture control capturectrl = _form.CaptureCtrl; // video window left Single Left = 0; 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; if (capturectrl.IsModeAvailable(CaptureMode.Video)) { // enable the preview capturectrl.Preview = true; // get the video window left Left = capturectrl.VideoWindowLeft; // set the result to what we expect _result = (Left != 0); } } catch (COMException) { _result = false; } catch (Exception) { _result = false; } } static class LEAD_VARS { public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media"; }