Leadtools.Multimedia Namespace > Compressors Class : Contains Method |
'Declaration Public Function Contains( _ ByVal item As Compressor _ ) As Boolean
'Usage Dim instance As Compressors Dim item As Compressor Dim value As Boolean value = instance.Contains(item)
public bool Contains( Compressor item )
public: bool Contains( Compressor^ item )
Imports Leadtools Imports Leadtools.Multimedia Imports LeadtoolsMultimediaExamples.Fixtures Public _result As Boolean = False Public _form As CaptureCtrlForm = New CaptureCtrlForm() Public Sub IndexContainsExample() ' reference the capture control Dim capturectrl As CaptureCtrl = _form.CaptureCtrl Try ' select a video device, use your device name here instead of Analog If capturectrl.VideoDevices("Analog") Is Nothing Then Throw New Exception("No Analog video tuner device available") End If capturectrl.VideoDevices("Analog").Selected = True ' reference the video compressors object Dim compressors As Compressors = capturectrl.VideoCompressors ' check the index of a video compressor Dim i As Integer = compressors.IndexOf(capturectrl.VideoCompressors.Mpeg2) Dim cmp As Compressor = Nothing If i > -1 Then ' access the compressor via the collection indexer cmp = compressors(i) End If ' check if the collection contains this input ' (it should we just got it with IndexOf above) If compressors.Contains(cmp) Then ' set the result to what we expect _result = True End If Catch e1 As Exception _result = False End Try End Sub
using Leadtools; using Leadtools.Multimedia; using LeadtoolsMultimediaExamples.Fixtures; public bool _result = false; public CaptureCtrlForm _form = new CaptureCtrlForm(); public void IndexContainsExample() { // reference the capture control CaptureCtrl capturectrl = _form.CaptureCtrl; try { // select a video device, use your device name here instead of Analog if (capturectrl.VideoDevices["Analog"] == null) throw new Exception("No Analog video tuner device available"); capturectrl.VideoDevices["Analog"].Selected = true; // reference the video compressors object Compressors compressors = capturectrl.VideoCompressors; // check the index of a video compressor int i = compressors.IndexOf(capturectrl.VideoCompressors.Mpeg2); Compressor cmp = null; if (i > -1) // access the compressor via the collection indexer cmp = compressors[i]; // check whether the collection contains this input // (it should we just got it with IndexOf above) if (compressors.Contains(cmp)) { // set the result to what we expect _result = true; } } catch (Exception) { _result = false; } }