Barcode1DReaderDoScan(Int32) Method
Starts a barcode recognition process on a specified GdPicture image or on an area of a specified GdPicture image defined by the
GdPictureImaging.SetROI method.
'Declaration
Public Overloads Function Barcode1DReaderDoScan( _
ByVal As Integer _
) As GdPictureStatus
Parameters
- ImageID
- A unique image identifier of the GdPicture image representing the image in use.
Return Value
A member of the GdPictureStatus enumeration. If the method has been successfully followed, then the return value is GdPictureStatus.OK.
We strongly recommend always checking this status first.
Finding all 1D barcodes in a given image and saving their information to a file.
using (GdPictureImaging gdpictureImaging = new GdPictureImaging())
{
int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.jpg");
// Start the barcode scanning process at the best quality to find all available 1D barcode symbols.
gdpictureImaging.Barcode1DReaderDoScan(imageID);
using (System.IO.StreamWriter file = new System.IO.StreamWriter("barcodes.txt"))
{
int barcodesFound = gdpictureImaging.Barcode1DReaderGetBarcodeCount();
for (int i = 1; i <= barcodesFound; i++)
{
file.WriteLine(gdpictureImaging.Barcode1DReaderGetBarcodeValue(i));
}
}
// Release used resources.
gdpictureImaging.Barcode1DReaderClear();
gdpictureImaging.ReleaseGdPictureImage(imageID);
}