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ReadBarcode(RasterImage,LeadRect,BarcodeSymbology[],IBarcodeReadOptions[]) Method

Summary

For information about this method please see ReadBarcode.

Syntax

C#
VB
WinRT C#
C++
 function Leadtools.Barcode.BarcodeReader.ReadBarcode(RasterImage,LeadRect,BarcodeSymbology[],IBarcodeReadOptions[])(  
   image , 
   searchBounds , 
   symbologies , 
   options  
) 

Parameters

image
A RasterImage object that contains the image data. Must not be null.

searchBounds
A LeadRect that specifies the region of interest area in the image where the barcode search and detection is performed. You can specify empty rectangle to indicate that the search must be performed on the whole image.

symbologies
An array of BarcodeSymbology enumeration members that specifies the barcode symbologies (types) to search for.

options
An array of IBarcodeReadOptions that specifies the options to use. This can be null, where the current default options is used. Otherwise, the method will use the option that corresponds to the symbologies being read, if the array does not contain specific options for a symbologies being read, then the default version will be used.

Return Value

An instance of BarcodeData or one of its derived classes that contains the symbology, data, location and any rotation angle of the barcode found. If no barcodes can be found, then this method will return null.

Remarks

Note: In LEADTOOLS for .NET, the equivalent to LeadRect is LogicalRectangle, also the equivalent to IBarcodeReadOptions is BarcodeReadOptions.

Example

This example shows how to use this method to read any UPC barcode used to identify products from a rotated image.

 

Requirements

Target Platforms

Help Version 19.0.2017.10.27
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Leadtools.Barcode Assembly