WIA_DPS_SHOW_PREVIEW_CONTROL

The WIA_DPS_SHOW_PREVIEW_CONTROL property indicates whether an item needs a preview control displayed to the 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_DPS_SHOW_PREVIEW_CONTROL.

ValueDefinition

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.

 

The WIA_DPS_SHOW_PREVIEW_CONTROL property helps control devices that cannot preview. For example, some feeder-driven devices cannot reload the paper for a preview scan.

Requirements

Version

Available with Microsoft Windows XP. ForWindows Vista and later, use the WIA_IPS_SHOW_PREVIEW_CONTROL property.

Header

Wiadef.h (include Wiadef.h)

See also

WIA_IPS_SHOW_PREVIEW_CONTROL

 

 

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