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WIA_IPS_SUPPORTED_PATCH_CODE_TYPES

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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)