CloseLogFile Method

Visual Basic
C#
C++/CLI

'Declaration
 
Public Overridable Sub CloseLogFile()

'Usage
 
Dim instance As ConvertCtrl
 
instance.CloseLogFile()

public virtual void CloseLogFile()

public:
virtual void CloseLogFile();

Stops the logging of a conversion operation and closes the log file. Use the OpenLogFile method to open a file to collect log data about a conversion operation. If the conversion operation ends and this method has not been called, the underlying log file will remain open.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures

Public _result As Boolean = False
Public _form As ConvertCtrlForm = New ConvertCtrlForm()
Public Sub LogFileExample()
   ' reference the convert control
   Dim convertctrl As ConvertCtrl = _form.ConvertCtrl

   ' input and output files
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi")
   Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_HasDialogExample.avi")

   ' log file
   Dim logFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Log.txt")

   Try
      ' set the source for conversion
      convertctrl.SourceFile = inFile

      ' set the video and audio compressors
      convertctrl.VideoCompressors.Mpeg2.Selected = True
      convertctrl.AudioCompressors.AC3.Selected = True

      ' set the target output file and format
      convertctrl.TargetFile = outFile

      ' set the target output format
      convertctrl.TargetFormat = TargetFormatType.AVI

           ' set the log file for the conversion process 
      ' information logging
      convertctrl.OpenLogFile(logFile, LogFileFlags.SourceInfo Or LogFileFlags.GraphBuilder Or LogFileFlags.StreamInfo)

      ' start the capture process
      convertctrl.StartConvert()

      ' 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 convertctrl.State = ConvertState.Running
         Application.DoEvents()
      Loop

      ' close the log file
      convertctrl.CloseLogFile()

      ' set the result to what we expect
      _result = (File.Exists(logFile))
   Catch e1 As Exception
      _result = False
   End Try
End Sub

Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media"
End Class

using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;

public bool _result = false;
public ConvertCtrlForm _form = new ConvertCtrlForm();
public void LogFileExample()
{
   // reference the convert control
   ConvertCtrl convertctrl = _form.ConvertCtrl;

   // input and output files
   string inFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_Source.avi");
   string outFile =Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_HasDialogExample.avi");

   // log file
   string logFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_Log.txt");

   try
   {
      // set the source for conversion
      convertctrl.SourceFile = inFile;

      // set the video and audio compressors
      convertctrl.VideoCompressors.Mpeg2.Selected = true;
      convertctrl.AudioCompressors.AC3.Selected = true;

      // set the target output file and format
      convertctrl.TargetFile = outFile;

      // set the target output format
      convertctrl.TargetFormat = TargetFormatType.AVI;

      // set the log file for conversion process 
      // information logging
      convertctrl.OpenLogFile(logFile, LogFileFlags.SourceInfo | LogFileFlags.GraphBuilder | LogFileFlags.StreamInfo);

      // start the capture process
      convertctrl.StartConvert();

      // 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 (convertctrl.State == ConvertState.Running)
         Application.DoEvents();

      // close the log file
      convertctrl.CloseLogFile();

      // set the result to what we expect
      _result = (File.Exists(logFile));
   }
   catch (Exception)
   {
      _result = false;
   }
}

static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media";
}

Target Platforms

Reference

ConvertCtrl Class
ConvertCtrl Members