Leadtools.Services.Twain Namespace > Classes > TwainScanningService > Methods > Preview Method

public virtual Stream Preview(  
   string id, 
   int pageNumber, 
   string commandName, 
   string arguments, 
   int width, 
   int height, 
   Leadtools.RasterImageFormat format, 
   int bpp, 
   object userData 
) 

Public Overridable Function Preview( _ 
   ByVal id As String, _ 
   ByVal pageNumber As Integer, _ 
   ByVal commandName As String, _ 
   ByVal arguments As String, _ 
   ByVal width As Integer, _ 
   ByVal height As Integer, _ 
   ByVal format As Leadtools.RasterImageFormat, _ 
   ByVal bpp As Integer, _ 
   ByVal userData As Object _ 
) As Stream 

public: 
virtual Stream^ Preview(  
   String^ id, 
   int pageNumber, 
   String^ commandName, 
   String^ arguments, 
   int width, 
   int height, 
   Leadtools.RasterImageFormat format, 
   int bpp, 
   Object^ userData 
) 

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Leadtools.Services.Twain Assembly