Leadtools.Multimedia Namespace > Classes > ConvertCtrl > Properties > ForceNoRecompressionPreview Property

public virtual bool ForceNoRecompressionPreview {get; set;} 

Public Overridable Property ForceNoRecompressionPreview As Boolean 

public: 
virtual property bool ForceNoRecompressionPreview { 
   bool get(); 
   void set (    bool ); 
} 

using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
public bool _result = false; 
public ConvertCtrlForm _form = new ConvertCtrlForm(); 
 
public void ForceNoRecompressionPreviewExample() 
{ 
   // 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_ForceNoRecompressionPreviewExample.avi"); 
 
   try 
   { 
      // set the source for conversion 
      convertctrl.SourceFile = inFile; 
 
      // set the target output format 
      convertctrl.TargetFormat = TargetFormatType.ISO; 
 
      // no recompression for video and audio 
      convertctrl.VideoCompressors.Selection = -1; 
      convertctrl.AudioCompressors.Selection = -1; 
 
      // set the target output file and format 
      convertctrl.TargetFile = outFile; 
 
      // enable preview 
      convertctrl.Preview = true; 
 
      // force preview to be active even the conversion is without recompression 
      convertctrl.ForceNoRecompressionPreview = true; 
 
      // start convert 
      convertctrl.StartConvert(); 
 
      // 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 (convertctrl.State == ConvertState.Running) 
      Application.DoEvents(); 
} 
 
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 ForceNoRecompressionPreviewExample() 
   ' 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_ForceNoRecompressionPreviewExample.avi") 
 
   Try 
      ' set the source for conversion 
      convertctrl.SourceFile = inFile 
 
      ' set the target output format 
      convertctrl.TargetFormat = TargetFormatType.ISO 
 
      ' no recompression for video and audio 
      convertctrl.VideoCompressors.Selection = -1 
      convertctrl.AudioCompressors.Selection = -1 
 
      ' set the target output file and format 
      convertctrl.TargetFile = outFile 
 
      ' enable preview 
      convertctrl.Preview = True 
 
      ' force preview to be active even though the conversion is without recompression 
      convertctrl.ForceNoRecompressionPreview = True 
 
      ' start convert 
      convertctrl.StartConvert() 
 
      ' 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 convertctrl.State = ConvertState.Running 
      Application.DoEvents() 
   Loop 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media" 
End Class 

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