Leadtools.Multimedia Namespace > CaptureCtrl Class : LeaveEdit Method |
public virtual void LeaveEdit()
'Declaration Public Overridable Sub LeaveEdit()
'Usage Dim instance As CaptureCtrl instance.LeaveEdit()
public virtual void LeaveEdit()
function Leadtools.Multimedia.CaptureCtrl.LeaveEdit()
public: virtual void LeaveEdit();
Public _result As Boolean = False Public _form As CaptureCtrlForm = New CaptureCtrlForm() Public Sub EnterEditExample() ' reference the capture control Dim capturectrl As CaptureCtrl = _form.CaptureCtrl ' output file names Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_EnterEditExample.mpg") Try ' enter edit mode so that all graph changes will be ' made at one time (after the LeaveEdit call later) capturectrl.EnterEdit() ' 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 ' select a video compressor capturectrl.VideoCompressors.Mpeg4.Selected = True ' set the target file capturectrl.TargetFile = outFile capturectrl.FrameRate = 5 ' 5 frames per second capturectrl.UseFrameRate = True capturectrl.TimeLimit = 10 ' just 10 seconds of capture time capturectrl.UseTimeLimit = True ' apply the graph changes now capturectrl.LeaveEdit() ' run the capture capturectrl.StartCapture(CaptureMode.Video) ' set the result _result = True 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 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(); public void EnterEditExample() { // reference the capture control CaptureCtrl capturectrl = _form.CaptureCtrl; // output file names string outFile = Path.Combine(LEAD_VARS.MediaDir,"CaptureCtrl_EnterEditExample.mpg"); try { // enter edit mode so that all graph changes will be // made at one time (after the LeaveEdit call later) capturectrl.EnterEdit(); // set the source video device. use. your device's name here if (capturectrl.VideoDevices["USB"] == null) throw new Exception("No USB video device available"); capturectrl.VideoDevices["USB"].Selected = true; // select a video compressor capturectrl.VideoCompressors.Mpeg4.Selected = true; // set the target file capturectrl.TargetFile = outFile; capturectrl.FrameRate = 5; // 5 frames per second capturectrl.UseFrameRate = true; capturectrl.TimeLimit = 10; // just 10 seconds of capture time capturectrl.UseTimeLimit = true; // apply the graph changes now capturectrl.LeaveEdit(); // run the capture capturectrl.StartCapture(CaptureMode.Video); // set the result _result = true; } catch (Exception) { _result = false; } // 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(); } 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