WIA_IPS_SHOW_PREVIEW_CONTROL
The WIA_IPS_SHOW_PREVIEW_CONTROL property indicates whether an item needs a preview control displayed to a user. 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 WIA_IPS_SHOW_PREVIEW_CONTROL.
| Value | Definition |
|---|---|
| WIA_DONT_SHOW_PREVIEW_CONTROL | Do not show a preview control to the user, because this device cannot perform a preview. |
| WIA_SHOW_PREVIEW_CONTROL | Show a preview control to the user, because this device can perform a preview. |
You can use the WIA_IPS_SHOW_PREVIEW_CONTROL property to help control devices that cannot preview. For example, some feeder-driven devices cannot reload the paper for a preview scan.
Requirements
Header: wiadef.h (include Wiadef.h)
See also
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