wiasValidateItemProperties function (wiamdef.h)
The wiasValidateItemProperties function validates a list of simple item properties against their current valid values.
Syntax
HRESULT wiasValidateItemProperties(
[in] BYTE *pWiasContext,
ULONG nPropSpec,
[in] const PROPSPEC *pPropSpec
);
Parameters
[in] pWiasContext
Pointer to a WIA item context.
nPropSpec
Specifies the number of properties to validate.
[in] pPropSpec
Pointer to the first element of an array of PROPSPEC structures indicating the properties to validate.
Return value
On success, the function returns S_OK. If the function fails, it returns a standard COM error or one of the WIA_ERROR_XXX errors (described in the Microsoft Windows SDK documentation).
Remarks
This function validates simple property values of the following types grouped by attribute.
Attributes | Supported Types |
---|---|
WIA_PROP_FLAG | VT_UI1, VT_UI2, VT_UI4, VT_UI8, VT_I1, VT_I2, VT_I4 |
WIA_PROP_RANGE | VT_UI1, VT_UI2, VT_UI4, VT_UI8, VT_I1, VT_I2, VT_I4, VT_R4, VT_R8 |
WIA_PROP_LIST | VT_UI1, VT_UI2, VT_UI4, VT_UI8, VT_I1, VT_I2, VT_I4, VT_R4, VT_R8, VT_BSTR |
The PROPSPEC structure is defined in the Windows SDK documentation.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Available in Microsoft Windows Me and in Windows XP and later versions of the Windows operating systems. |
Target Platform | Desktop |
Header | wiamdef.h (include Wiamdef.h) |
Library | Wiaservc.lib |
DLL | Wiaservc.dll |