GdPicture.NET Reference Guide
BarcodeDataMatrixReaderClear Method (GdPictureImaging)
Example 





GdPicture14 Namespace > GdPictureImaging Class : BarcodeDataMatrixReaderClear Method
Releases from memory all information about latest DataMatrix barcode detection.
Syntax
'Declaration
 
Public Sub BarcodeDataMatrixReaderClear() 
public void BarcodeDataMatrixReaderClear()
public procedure BarcodeDataMatrixReaderClear(); 
public function BarcodeDataMatrixReaderClear();
public: void BarcodeDataMatrixReaderClear(); 
public:
void BarcodeDataMatrixReaderClear(); 
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
ImageID = 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