Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
The WIA minidriver uses the WIA_IPS_SUPPORTED_PATCH_CODE_TYPES property to list all patch code types that are supported (understood) by the Patch Code Reader. The supported barcode types are reported in a VT_VECTOR array as a single value that contains multiple entries.
Property Type: VT_I4 | VT_VECTOR
Valid Values: WIA_PROP_NONE (single 'array'/vector value)
Access Rights: Read-only
Remarks
The following table describes the valid values for the WIA_IPS_SUPPORTED_PATCH_CODE_TYPES property.
| Value | Definition |
|---|---|
| WIA_PATCH_CODE_1 | Patch code 1 |
| WIA_PATCH_CODE_2 | Patch code 2 |
| WIA_PATCH_CODE_3 | Patch code 3 |
| WIA_PATCH_CODE_4 | Patch code 4 |
| WIA_PATCH_CODE_6 | Patch code 6 |
| WIA_PATCH_CODE_T | Patch code T |
| WIA_PATCH_CODE_CUSTOM_BASE + N | WIA_PATCH_CODE_CUSTOM_BASE is the offset to all custom patch code values the WIA minidriver may add. N is a positive integer. |
The WIA minidriver can extend this list with additional custom values defined as WIA_PATCH_CODE_CUSTOM_BASE + N, where N is a positive integer.
This property is required for all Patch Code Reader items.
Requirements
Header: wiadef.h (include Wiadef.h)