wiasSetValidRangeFloat function (wiamdef.h)
The wiasSetValidRangeFloat function specifies the range of valid values for a WIA_PROP_RANGE property of type VT_R4.
Syntax
HRESULT wiasSetValidRangeFloat(
[in] BYTE *pWiasContext,
PROPID propid,
FLOAT fMin,
FLOAT fNom,
FLOAT fMax,
FLOAT fStep
);
Parameters
[in] pWiasContext
Pointer to a WIA item context.
propid
Specifies the identifier of the property to be updated.
fMin
Specifies the minimum value of the valid range.
fNom
Specifies the property's nominal value.
fMax
Specifies the maximum value of the valid range.
fStep
Specifies the increment between each valid value in the range.
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).
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 |