GdPicture.NET Reference Guide
TwainBarCodeGetYPos Method (GdPictureImaging)





GdPicture14 Namespace > GdPictureImaging Class : TwainBarCodeGetYPos Method
The barcode number. Must be value between 1 and the number of detected barcodes.
Returns the Y coordinate of a bar code found on the last acquired image.
Syntax
'Declaration
 
Public Function TwainBarCodeGetYPos( _
   ByVal BarCodeNo As Integer _
) As Integer
public int TwainBarCodeGetYPos( 
   int BarCodeNo
)
public function TwainBarCodeGetYPos( 
    BarCodeNo: Integer
): Integer; 
public function TwainBarCodeGetYPos( 
   BarCodeNo : int
) : int;
public: int TwainBarCodeGetYPos( 
   int BarCodeNo
) 
public:
int TwainBarCodeGetYPos( 
   int BarCodeNo
) 

Parameters

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

Return Value

The barcode Y coordinate. Return -1 if current source does not support Y coordinate 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.
See Also

Reference

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