Skip to content

Latest commit

 

History

History
143 lines (122 loc) · 2.27 KB

nf-oleauto-varr4fromui1.md

File metadata and controls

143 lines (122 loc) · 2.27 KB
UID title description helpviewer_keywords old-location tech.root ms.assetid ms.date ms.keywords req.header req.include-header req.target-type req.target-min-winverclnt req.target-min-winversvr req.kmdf-ver req.umdf-ver req.ddi-compliance req.unicode-ansi req.idl req.max-support req.namespace req.assembly req.type-library req.lib req.dll req.irql targetos req.typenames req.redist ms.custom f1_keywords dev_langs topic_type api_type api_location api_name
NF:oleauto.VarR4FromUI1
VarR4FromUI1 function (oleauto.h)
Converts an unsigned char value to a float value.
VarR4FromUI1
VarR4FromUI1 function [Automation]
_oa96_VarR4FromUI1
automat.varr4fromui1
oleauto/VarR4FromUI1
automat\varr4fromui1.htm
automat
f14cb5ff-8d73-46e5-8a57-7d6e69c4ee64
12/05/2018
VarR4FromUI1, VarR4FromUI1 function [Automation], _oa96_VarR4FromUI1, automat.varr4fromui1, oleauto/VarR4FromUI1
oleauto.h
Windows
OleAut32.lib
OleAut32.dll
Windows
19H1
VarR4FromUI1
oleauto/VarR4FromUI1
c++
APIRef
kbSyntax
DllExport
OleAut32.dll
VarR4FromUI1

VarR4FromUI1 function

-description

Converts an unsigned char value to a float value.

-parameters

-param bIn [in]

The value to convert.

-param pfltOut [out]

The resulting value.

-returns

This function can return one of these values.

Return code Description
S_OK
Success.
DISP_E_BADVARTYPE
The input parameter is not a valid type of variant.
DISP_E_OVERFLOW
The data pointed to by the output parameter does not fit in the destination type.
DISP_E_TYPEMISMATCH
The argument could not be coerced to the specified type.
E_INVALIDARG
One of the arguments is not valid.
E_OUTOFMEMORY
Insufficient memory to complete the operation.