Leadtools.Multimedia Namespace > CaptureCtrl Class : TargetType Property |
public virtual TargetObjectType TargetType {get; set;}
'Declaration Public Overridable Property TargetType As TargetObjectType
'Usage Dim instance As CaptureCtrl Dim value As TargetObjectType instance.TargetType = value value = instance.TargetType
public virtual TargetObjectType TargetType {get; set;}
get_TargetType();
set_TargetType(value);
public: virtual property TargetObjectType TargetType { TargetObjectType get(); void set ( TargetObjectType value); }
Public _result As Boolean = False Public _form As CaptureCtrlForm = New CaptureCtrlForm() Public _capturectrl As CaptureCtrl Public Sub TargetTypeExample() ' reference the capture control _capturectrl = _form.CaptureCtrl ' output file Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_TargetTypeExample.avi") 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 source audio device, select using your 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 ' select a video compressor _capturectrl.VideoCompressors.Mpeg4.Selected = True ' select an audio compressor _capturectrl.AudioCompressors.AC3.Selected = True ' set the target output file _capturectrl.TargetFile = outFile ' subscribe to the started event AddHandler _capturectrl.Started, AddressOf CaptureCtrl_Started ' set target type to TargetObjectType.File _capturectrl.TargetType = TargetObjectType.File ' start capture _capturectrl.StartCapture(CaptureMode.VideoAndAudio) ' get target type Dim TargetType As TargetObjectType = _capturectrl.TargetType ' set the result to what we expect _result = (TargetType = TargetObjectType.File) 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 Application.DoEvents() Loop End Sub Private Sub CaptureCtrl_Started(ByVal sender As Object, ByVal e As EventArgs) ' stop the capture (we don't need a complete capture for this example) _capturectrl.StopCapture() End Sub Public NotInheritable Class LEAD_VARS Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media"; End Class
public bool _result = false; public CaptureCtrlForm _form = new CaptureCtrlForm(); // capture control CaptureCtrl capturectrl; // output file string outFile = Path.Combine(LEAD_VARS.MediaDir,"CaptureCtrl_TargetTypeExample.avi"); public void TargetTypeExample() { // reference the capture control capturectrl = _form.CaptureCtrl; 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 source audio device, select using your device name here if (capturectrl.AudioDevices["USB"] == null) { throw new Exception("No USB audio device available"); } capturectrl.AudioDevices["USB"].Selected = true; // select a video compressor capturectrl.VideoCompressors.Mpeg4.Selected = true; // select an audio compressor capturectrl.AudioCompressors.AC3.Selected = true; // set the target output file capturectrl.TargetFile = outFile; // subscribe to the started event capturectrl.Started += CaptureCtrl_Started; // set target type to TargetObjectType.File capturectrl.TargetType = TargetObjectType.File; // start capture capturectrl.StartCapture(CaptureMode.VideoAndAudio); // get target type TargetObjectType TargetType = capturectrl.TargetType; // set the result to what we expect _result = (TargetType == TargetObjectType.File); } catch (COMException) { _result = false; } catch (Exception) { _result = false; } } void CaptureCtrl_Started(object sender, EventArgs e) { // stop the capture (we do not need a complete capture for this example) capturectrl.StopCapture(); } static class LEAD_VARS { public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media"; }
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