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ResetSource Method (ConvertCtrl)

Summary

Resets the media source.

Syntax

C++

public virtual void ResetSource()

Public Overridable Sub ResetSource()

public: 
virtual void ResetSource();

Remarks

This method will reset the media source to the default value of SourceObjectType.None . Users typically call this method to remove a media source reference from the convert module. If the method fails, an error is raised. For more information, refer to the Error Codes.

Example

using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
public bool _result = false; 
public ConvertCtrlForm _form = new ConvertCtrlForm(); 
 
public void ResetSourceExample() 
{ 
   // reference the convert control 
   ConvertCtrl convertctrl = _form.ConvertCtrl; 
   DVDTitle title = new DVDTitle(); 
 
   string inFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi"); 
   string outFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_ResetSourceExample.avi"); 
 
   try 
   { 
      // set the input and output files 
      convertctrl.SourceFile = inFile; 
      convertctrl.TargetFile = outFile; 
 
      // select video and audio compressors for the output 
      convertctrl.VideoCompressors.H264.Selected = true; 
      convertctrl.AudioCompressors.AMR.Selected = true; 
 
      // run it! 
      convertctrl.StartConvert(); 
 
      // changed our minds 
      convertctrl.StopConvert(); 
 
      // reset the source 
      convertctrl.ResetSource(); 
 
      // set the result to what we expect 
      _result = (convertctrl.SourceFile == null); 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media"; 
}

Imports Leadtools 
Imports Leadtools.Multimedia 
Imports LeadtoolsMultimediaExamples.Fixtures 
 
Public _result As Boolean = False 
Public _form As ConvertCtrlForm = New ConvertCtrlForm() 
 
Public Sub ResetSourceExample() 
   ' reference the convert control 
   Dim convertctrl As ConvertCtrl = _form.ConvertCtrl 
 
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi") 
   Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_ResetSourceExample.avi") 
 
   Try 
      ' set the input and output files 
      convertctrl.SourceFile = inFile 
      convertctrl.TargetFile = outFile 
 
      ' select the video and audio compressors for the output 
      convertctrl.VideoCompressors.H264.Selected = True 
      convertctrl.AudioCompressors.AMR.Selected = True 
 
      ' run it! 
      convertctrl.StartConvert() 
 
      ' changed our minds 
      convertctrl.StopConvert() 
 
      ' reset the source 
      convertctrl.ResetSource() 
 
      ' set the result to what we expect 
      _result = (convertctrl.SourceFile Is Nothing) 
   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 19\Media" 
End Class