WIA_DPS_SHEET_FEEDER_REGISTRATION
The WIA_DPS_SHEET_FEEDER_REGISTRATION property contains the registration, or alignment and edge detection, for documents that are placed on the flatbed of a scanner. The WIA minidriver creates and maintains this property.
Property Type: VT_I4
Valid Values: WIA_PROP_NONE
Access Rights: Read-only
Remarks
The WIA_DPS_SHEET_FEEDER_REGISTRATION property indicates how a document is horizontally positioned on the scanning head of a handheld or sheet-fed scanner. The scanner uses the property to predict where a user places a document on the scanning head.
The following table describes the constants that are valid with WIA_DPS_SHEET_FEEDER_REGISTRATION.
| Constant | Description |
|---|---|
| LEFT_JUSTIFIED | The document is positioned to the left with respect to the scanning head. |
| CENTERED | The document is centered on the scanning head. |
| RIGHT_JUSTIFIED | The document is positioned to the right with respect to the scanning head. |
For scanners that support more than one scanning head, the WIA_DPS_SHEET_FEEDER_REGISTRATION property is relative to the topmost scanning head. This property is required for sheet-fed, scroll-fed, and handheld scanners.
Requirements
Version: Obsolete, use the WIA_IPS_SHEET_FEEDER_REGISTRATION property instead.
Header: wiadef.h (include Wiadef.h)