BarcodeReadSymbologyOperation Enumeration

C#
Visual Basic
WinRT C#
Objective-C
Java
WinRT JavaScript
C++

[SerializableAttribute()]
public enum BarcodeReadSymbologyOperation : System.Enum, System.IComparable, System.IConvertible, System.IFormattable

'Declaration
 
<SerializableAttribute()>
Public Enum BarcodeReadSymbologyOperation 
   Inherits System.Enum
   Implements System.IComparable, System.IConvertible, System.IFormattable

'Usage
 
Dim instance As BarcodeReadSymbologyOperation

[SerializableAttribute()]
public enum BarcodeReadSymbologyOperation : System.IComparable, System.IConvertible, System.IFormattable

enum LTBarcodeReadSymbologyOperation

public enum BarcodeReadSymbologyOperation

Leadtools.Barcode.BarcodeReadSymbologyOperation = function() { };
Leadtools.Barcode.BarcodeReadSymbologyOperation.prototype = {

  PreRead = 0,
	PostRead = 1,
	
 };

[SerializableAttribute()]
public enum class BarcodeReadSymbologyOperation : public System.Enum, System.IComparable, System.IConvertible, System.IFormattable

Value	Member	Description
0	PreRead	The BarcodeReader object is about to read the barcode symbologies. The input parameters are: The symbologies to be read which can be obtained through the BarcodeReadSymbologyEventArgs.GetSymbologies method and the associated read options that are in the BarcodeReadSymbologyEventArgs.Options property.
1	PostRead	The BarcodeReader has finished reading the barcode symbologies. The input parameters are: The symbologies to be read which can be obtained through the BarcodeReadSymbologyEventArgs.GetSymbologies method and the associated read options that are in the BarcodeReadSymbologyEventArgs.Options property. The resulting parameters are: The barcode data found which is in the BarcodeReadSymbologyEventArgs.Data property that may contain a valid BarcodeData object or null (Nothing in Visual Basic) when an error occurs or no barcode of this type is found. In case of an error, the exception is in the BarcodeReadSymbologyEventArgs.Error property (Refer to BarcodeReader.ErrorMode for more information).

Value

Member

Description

0

PreRead

The BarcodeReader object is about to read the barcode symbologies.

The input parameters are: The symbologies to be read which can be obtained through the BarcodeReadSymbologyEventArgs.GetSymbologies method and the associated read options that are in the BarcodeReadSymbologyEventArgs.Options property.

1

PostRead

The BarcodeReader has finished reading the barcode symbologies.

The input parameters are: The symbologies to be read which can be obtained through the BarcodeReadSymbologyEventArgs.GetSymbologies method and the associated read options that are in the BarcodeReadSymbologyEventArgs.Options property.

The resulting parameters are: The barcode data found which is in the BarcodeReadSymbologyEventArgs.Data property that may contain a valid BarcodeData object or null (Nothing in Visual Basic) when an error occurs or no barcode of this type is found. In case of an error, the exception is in the BarcodeReadSymbologyEventArgs.Error property (Refer to BarcodeReader.ErrorMode for more information).

This enumeration is used as the type for the BarcodeReadSymbologyEventArgs.Operation property that can be used to determine the current barcode read stage.

For an example, refer to BarcodeReader.ReadSymbology.

System.Object
   System.ValueType
      System.Enum
         Leadtools.Barcode.BarcodeReadSymbologyOperation

Target Platforms

Reference

Leadtools.Barcode Namespace
BarcodeReader.ReadSymbology
BarcodeReader.ReadBarcode
BarcodeReader.ReadBarcodes