Leadtools.Multimedia Namespace > TargetFormats Class : Contains Method |
public bool Contains( TargetFormat item )
'Declaration Public Function Contains( _ ByVal item As TargetFormat _ ) As Boolean
'Usage Dim instance As TargetFormats Dim item As TargetFormat Dim value As Boolean value = instance.Contains(item)
public bool Contains( TargetFormat item )
function Leadtools.Multimedia.TargetFormats.Contains( item )
public: bool Contains( TargetFormat^ item )
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 ' set an audio device first, you should use your audio device name here If capturectrl.AudioDevices("USB") Is Nothing Then Throw New Exception("No USB audio device available") End If capturectrl.AudioDevices("USB").Selected = True ' reference the target formats object Dim formats As TargetFormats = capturectrl.TargetFormats ' check the index using a name string Dim i As Integer = formats.IndexOf("WAVE") ' or get a target format directly, using a TargetFormatType enum Dim mpeg1 As TargetFormat = formats(TargetFormatType.MPEG1Audio) ' access the format via the collection indexer Dim af As TargetFormat = formats(i) ' check if the collection contains this format ' (it should we just got it with IndexOf above) If formats.Contains(af) AndAlso formats.Contains(mpeg1) Then ' set the result to what we expect _result = True End If Catch e1 As Exception _result = False End Try End Sub
public bool _result = false; public CaptureCtrlForm _form = new CaptureCtrlForm(); public void IndexContainsExample() { // reference the capture control CaptureCtrl capturectrl = _form.CaptureCtrl; try { // set an audio device first. use your audio device's name here if (capturectrl.AudioDevices["USB"] == null) throw new Exception("No USB audio device available"); capturectrl.AudioDevices["USB"].Selected = true; // reference the target formats object TargetFormats formats = capturectrl.TargetFormats; // check the index using a name string int i = formats.IndexOf("WAVE"); // or get a target format directly, using a TargetFormatType enum TargetFormat mpeg1 = formats[TargetFormatType.MPEG1Audio]; // access the format via the collection indexer TargetFormat af = formats[i]; // check whether the collection contains this format // (it should we just got it with IndexOf above) if (formats.Contains(af) && formats.Contains(mpeg1)) { // set the result to what we expect _result = true; } } catch (Exception) { _result = false; } }
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2