GdPicture.NET Reference Guide
BarcodeDataMatrixReaderGetBarcodeCount Method (GdPictureImaging)
Example 





GdPicture14 Namespace > GdPictureImaging Class : BarcodeDataMatrixReaderGetBarcodeCount Method
Returns the number of barcode detected by the BarcodeDataMatrixReaderDoScan method.
Syntax
'Declaration
 
Public Function BarcodeDataMatrixReaderGetBarcodeCount() As Integer
public int BarcodeDataMatrixReaderGetBarcodeCount()
public function BarcodeDataMatrixReaderGetBarcodeCount(): Integer; 
public function BarcodeDataMatrixReaderGetBarcodeCount() : int;
public: int BarcodeDataMatrixReaderGetBarcodeCount(); 
public:
int BarcodeDataMatrixReaderGetBarcodeCount(); 

Return Value

The number of barcode detected.
Remarks

This method is used in the "Barcode Recognition" Demo.

Example
Detecting all DataMatrix barcodes in an image.
Dim oGdPictureImaging As New GdPicture.GdPictureImaging
Dim ImageID As Integer = oGdPictureImaging.CreateGdPictureImageFromFile("") 'Prompt the user to select an image
If imageId <> 0 Then
   If oGdPictureImaging.BarcodeDataMatrixReaderDoScan(ImageID) = GdPictureStatus.OK Then 'Start DataMatrix barcode scanning process
      Dim BarcodeCount As Integer = oGdPictureImaging.BarcodeDataMatrixReaderGetBarcodeCount
      If BarcodeCount > 0 Then
         For i As Integer = 1 To BarcodeCount
            MessageBox.show("Barcode No: " & Str(i))
            MessageBox.show("Value: " & oGdPictureImaging.BarcodeDataMatrixReaderGetBarcodeValue(i))
            MessageBox.show("Rows: " & Str(oGdPictureImaging.BarcodeDataMatrixReaderGetBarcodeRows(i)))
            MessageBox.show("Columns: " & Str(oGdPictureImaging.BarcodeDataMatrixReaderGetBarcodeColumns(i)))
            MessageBox.show("Columns: " & Str(oGdPictureImaging.BarcodeDataMatrixReaderGetBarcodeSkewAngle(i)))
         Next
      Else
         MessageBox.show("No barcode detected !")
      End If
      oGdPictureImaging.BarcodeDataMatrixReaderClear() 'Release detection info from memory
   End If
   oGdPictureImaging.ReleaseGdPictureImage(ImageID)
End If
See Also

Reference

GdPictureImaging Class
GdPictureImaging Members