Notiz
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The WIA_IPS_PATCH_CODE_SEARCH_DIRECTION property is used to configure the direction (relative to the scan direction) in which the device searches for patch codes on each scan document page.
Property Type: VT_I4
Valid Values: WIA_PROP_LIST
Access Rights: Read/Write
Remarks
| Value | Definition |
|---|---|
| WIA_PATCH_CODE_HORIZONTAL_SEARCH | Device searches for patch codes horizontally. |
| WIA_PATCH_CODE_VERTICAL_SEARCH | Device searches for patch codes vertically. |
| WIA_PATCH_CODE_HORIZONTAL_VERTICAL_SEARCH | Device searches for patch codes first horizontally then vertically. |
| WIA_PATCH_CODE_VERTICAL_HORIZONTAL_SEARCH | Device searches for patch codes first vertically then horizontally. |
| WIA_PATCH_CODE_AUTO_SEARCH | Device searches for patch codes in its own direction that is automatically detected at run-time or predefined. |
This property is required for all Patch Code Reader items but it can be implemented to support only the WIA_PATCH_CODE_AUTO_SEARCH value.
Requirements
Header: wiadef.h (include Wiadef.h)