Preview Method

Summary

Gets the preview for the command.

Syntax

C++/CLI

Python

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

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

def Preview(self,id,pageNumber,commandName,arguments,width,height,format,bpp,userData):

Parameters

id
The scanning session Id.

pageNumber
1-based page number.

commandName
The command name.

arguments
The command arguments.

width
The image width.

height
The image height.

format
The image format.

bpp
The image bits-per-pixel.

userData
The user data.

Return Value

Gets an image of the preview of the command.

Requirements

Target Platforms

Reference

TwainScanningService Class

TwainScanningService Members

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Help Version 22.0.2023.3.31

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