See Also Examples Applies To
If barcode detection is available, returns the number of bar code types that can be detected.
Syntax
object.TwainGetAvailableBarCodeTypeCount ()
The TwainGetAvailableBarCodeTypeCount syntax has these parts:
| Part | Description |
| object | Required. An object expression that evaluates to an object in the Applies To list. |
Returns
Long. If Success, non zéro: the number of bar code types that can be detected. Else 0 if fail. Use TwainGetLastResultCode() and TwainGetLastConditionCode() functions for diagnosing the error.
Remarks
Before using this function check that the TWAIN state is >= 4 (TWAIN_SOURCE_OPEN)
To get the TWAIN state, use the TwainGetState() function.
Category
TWAIN Functions