Enumerations #
| Name |
Values |
|
This class exposes no enumerations. |
Constants #
| Name |
Type |
Value |
|
|
This class exposes no constants. |
Events #
| Definition |
Description |
| DataAvailable( Result as String ) |
This event signals that a barcode has successfully been read, and the data from that barcode is contained in the Result variable. |
| DevicesAvailable() |
This event fires when the Devices() property has been populated. |
| Error( errorReason as String ) |
This event fires when the decoding library signals an error in reading. |
| PermissionDenied() |
This event signifies that the user has elected to disallow camera access on their device. |
Methods #
| Definition |
Description |
| Reset() |
Resets (or stops) scanning. |
| Scan( Device as Pair ) |
Starts scanning on the provided device. |
Properties #
| Name |
Type |
Default Value |
Description |
| Devices() |
Pair |
Array |
The image capture devices available to the session. |
Notes #
Supported Formats #
-
AZTEC
-
CODABAR
-
CODE39
-
CODE93
-
CODE128
-
EAN8
-
EAN13
-
ITF
-
PDF417
-
QR
-
RSS14
-
UPCA
-
UPCE
For Testing purposes, this site contains a number of different barcode type examples.
Security #
Most modern browsers, for security reasons, will not allow access to the computer’s camera unless the page is loaded over a secure (HTTPS) connection. This means you must deploy with a valid certificate or text locally over HTTPS with a self-signed certificate.
