Leadtools.Multimedia Namespace > CaptureCtrl Class : TargetFile Property |
public virtual string TargetFile {get; set;}
'Declaration Public Overridable Property TargetFile As String
'Usage Dim instance As CaptureCtrl Dim value As String instance.TargetFile = value value = instance.TargetFile
public virtual string TargetFile {get; set;}
get_TargetFile();
set_TargetFile(value);
For more information, refer to the Error Codes.
Public _result As Boolean = False Public _form As CaptureCtrlForm = New CaptureCtrlForm() ' output file Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir,"CaptureCtrl_TargetFileExample.avi") Public Sub TargetFileExample() ' reference the capture control Dim capturectrl As CaptureCtrl = _form.CaptureCtrl Try ' try to find a USB camera If capturectrl.VideoDevices("USB") Is Nothing Then Throw New Exception("No USB video device available") End If capturectrl.VideoDevices("USB").Selected = True ' try to find a USB audio device If capturectrl.AudioDevices("USB") Is Nothing Then Throw New Exception("No USB audio device available") End If capturectrl.AudioDevices("USB").Selected = True ' set MPEG2 as the video compressor capturectrl.VideoCompressors.Mpeg2.Selected = True ' set AC3 as the audio compressor capturectrl.AudioCompressors.AC3.Selected = True ' set the target output file capturectrl.TargetFile = outFile ' set the target output format capturectrl.TargetFormat = TargetFormatType.AVI ' check if we have can capture video If capturectrl.IsModeAvailable(CaptureMode.VideoAndAudio) Then capturectrl.FrameRate = 5 ' 5 frames per second capturectrl.UseFrameRate = True capturectrl.TimeLimit = 10 ' just 10 seconds of capture time capturectrl.UseTimeLimit = True ' subscribe to the compete event AddHandler capturectrl.Complete, AddressOf CaptureCtrl_Complete ' start the capture process capturectrl.StartCapture(CaptureMode.VideoAndAudio) ' 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 If Catch e1 As Exception _result = False End Try End Sub Private Sub CaptureCtrl_Complete(ByVal sender As Object, ByVal e As EventArgs) ' check for the capture file and set the result If File.Exists(outFile) Then _result = True End If 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_TargetFileExample.avi"); public void TargetFileExample() { // reference the capture control capturectrl = _form.CaptureCtrl; try { // try to find a USB camera if (capturectrl.VideoDevices["USB"] == null) { throw new Exception("No USB video device available"); } capturectrl.VideoDevices["USB"].Selected = true; // try to find a USB audio device if (capturectrl.AudioDevices["USB"] == null) { throw new Exception("No USB audio device available"); } capturectrl.AudioDevices["USB"].Selected = true; // set MPEG2 as the video compressor capturectrl.VideoCompressors.Mpeg2.Selected = true; // set AC3 as the audio compressor capturectrl.AudioCompressors.AC3.Selected = true; // set the target output file capturectrl.TargetFile = outFile; // set the target output format capturectrl.TargetFormat = TargetFormatType.AVI; // check whether we can capture video if (capturectrl.IsModeAvailable(CaptureMode.VideoAndAudio)) { capturectrl.FrameRate = 5; // 5 frames per second capturectrl.UseFrameRate = true; capturectrl.TimeLimit = 10; // just 10 seconds of capture time capturectrl.UseTimeLimit = true; // subscribe to the compete event capturectrl.Complete += new EventHandler(CaptureCtrl_Complete); // start the capture process capturectrl.StartCapture(CaptureMode.VideoAndAudio); // 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. while (capturectrl.State == CaptureState.Running) { Application.DoEvents(); } } } catch (COMException) { _result = false; } catch (Exception) { _result = false; } } public void CaptureCtrl_Complete(object sender, EventArgs e) { // check for the capture file and set the result if (File.Exists(outFile)) _result = true; } 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