WIA_IPS_PREVIEW_TYPE
The WIA_IPS_PREVIEW_TYPE property indicates if WIA_IPA_DATATYPE and WIA_IPA_DEPTH are changed, without having to request a new preview scan. The WIA minidriver creates and maintains this property.
Property Type: VT_I4
Valid Values: WIA_PROP_NONE
Access Rights: Read-only
Remarks
The following table describes the constants that are valid with the WIA_IPS_PREVIEW_TYPE property.
| Value | Definition |
|---|---|
| WIA_ADVANCED_PREVIEW | Live preview updates are supported. |
| WIA_BASIC_PREVIEW | Preview images can be updated only with a new preview scan. |
Note WIA_IPS_PREVIEW_TYPE should describe only the WIA_IPA_DATATYPE and WIA_IPA_DEPTH properties.
Requirements
Header: wiadef.h (include Wiadef.h)