TwainBarCodeGetConfidence Method (GdPictureImaging)

In This Topic

Returns the degree of certainty of a bar code the engine has in the accuracy of the information obtained on the last acquired image.

Syntax

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Function TwainBarCodeGetConfidence( _
   ByVal BarCodeNo As Integer _
) As Integer

public int TwainBarCodeGetConfidence( 
   int BarCodeNo
)

public function TwainBarCodeGetConfidence( 
    BarCodeNo: Integer
): Integer;

public function TwainBarCodeGetConfidence( 
   BarCodeNo : int
) : int;

public: int TwainBarCodeGetConfidence( 
   int BarCodeNo
)

public:
int TwainBarCodeGetConfidence( 
   int BarCodeNo
)

Parameters

BarCodeNo: The barcode number. Must be value between 1 and the number of detected barcodes.

Return Value

The barcode confidence. From 0 (no confidence) to 100 (supreme confidence). Return -1 if current source does not support confidence reporting.

Remarks

Before using this method make sure that the barcode detection was enabled by the TwainSetBarcodeDetection() method. Use the TwainBarCodeGetCount() method to determine how many barcodes have been detected on the last acquired image.

Reference

GdPictureImaging Class
GdPictureImaging Members
TwainIsBarcodeDetectionAvailable Method
TwainIsBarcodeDetectionEnabled Method
TwainSetBarcodeDetection Method
TwainBarCodeGetCount Method