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Leadtools.Multimedia Namespace > Compressors Class : Count Property |
public int Count {get;}
'Declaration
Public ReadOnly Property Count As Integer
'Usage
Dim instance As Compressors Dim value As Integer value = instance.Count
Imports Leadtools Imports Leadtools.Multimedia Imports LeadtoolsMultimediaExamples.Fixtures Public _form As CaptureCtrlForm = New CaptureCtrlForm() Public _result As Boolean = False Public Sub CountExample() Try ' reference the form capture control and it's video compressors Dim capturectrl As CaptureCtrl = _form.CaptureCtrl Dim compressors As Compressors = capturectrl.VideoCompressors ' get count before setting device Dim n As Integer = compressors.Count ' set a video device first, you should use your video device name here If capturectrl.VideoDevices("Analog") Is Nothing Then Throw New Exception("No Analog video tuner device available") End If capturectrl.VideoDevices("Analog").Selected = True ' get count after setting device Dim m As Integer = compressors.Count ' set out result to what we expect _result = (m = n) Catch e1 As Exception _result = False End Try End Sub
using Leadtools; using Leadtools.Multimedia; using LeadtoolsMultimediaExamples.Fixtures; public CaptureCtrlForm _form = new CaptureCtrlForm(); public bool _result = false; public void CountExample() { try { // reference the form capture control and its video compressors CaptureCtrl capturectrl = _form.CaptureCtrl; Compressors compressors = capturectrl.VideoCompressors; // get count before setting device int n = compressors.Count; // set a video device first. use your video device's name here if (capturectrl.VideoDevices["Analog"] == null) throw new Exception("No Analog video tuner device available"); capturectrl.VideoDevices["Analog"].Selected = true; // get count after setting device int m = compressors.Count; // set out result to what we expect _result = (m == n); } catch (Exception) { _result = false; } }