VideoHeight Property


Gets the current video height.

public virtual float VideoHeight { get; } 
Public Overridable ReadOnly Property VideoHeight As Single 
virtual property float VideoHeight { 
   float get(); 

Property Value

A value representing the current video height.


Gets the current video height. The value is in the units specified by the ScaleMode property. CaptureCtrl.VideoWidth

using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
public bool _result = false; 
public CaptureCtrlForm _form = new CaptureCtrlForm(); 
// capture control 
CaptureCtrl capturectrl; 
// output file 
string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_VideoHeightExample.avi"); 
public void VideoHeightExample() 
   // reference the capture control 
   capturectrl = _form.CaptureCtrl; 
   // video height 
   Single Height = 0; 
      // set the source video device. use your device's name here 
      if (capturectrl.VideoDevices["USB"] == null) 
         throw new Exception("No USB video device available"); 
      capturectrl.VideoDevices["USB"].Selected = true; 
      // select a video compressor 
      capturectrl.VideoCompressors.Mpeg4.Selected = true; 
      // set the target output file 
      capturectrl.TargetFile = outFile; 
      if (capturectrl.IsModeAvailable(CaptureMode.Video)) 
         // enable the preview 
         capturectrl.Preview = true; 
         // get the video height 
         Height = capturectrl.VideoHeight; 
         // set the result to what we expect 
         _result = (Height != 0); 
   catch (COMException) 
      _result = false; 
   catch (Exception) 
      _result = false; 
static class LEAD_VARS 
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 20\Media"; 
Imports Leadtools 
Imports Leadtools.Multimedia 
Imports LeadtoolsMultimediaExamples.Fixtures 
Public _result As Boolean = False 
Public _form As CaptureCtrlForm = New CaptureCtrlForm() 
Public _capturectrl As CaptureCtrl 
Public Sub VideoHeightExample() 
   ' reference the capture control 
   _capturectrl = _form.CaptureCtrl 
   ' output file 
   Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_VideoHeightExample.avi") 
   ' video height 
   Dim Height As Single = 0 
      ' 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 
      ' select a video compressor 
      _capturectrl.VideoCompressors.Mpeg4.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 height 
         Height = _capturectrl.VideoHeight 
         ' set the result to what we expect 
         _result = (Height <> 0) 
      End If 
   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 
End Sub 
Public NotInheritable Class LEAD_VARS 
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 20\Media" 
End Class 


Target Platforms

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Leadtools.Multimedia Assembly