---
name: "VarR4FromStr"
section: "3w"
platform: "linux"
package: "libwine-dev"
version: "1.4.1-4"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/VarR4FromStr"
---

# VarR4FromStr(3w)

## NAME

**VarR4FromStr** (OLEAUT32.74)

## SYNOPSIS

HRESULT VarR4FromStr\
  (\
   OLECHAR\* *strIn*,\
   LCID     *lcid*,\
   ULONG    *dwFlags*,\
   float\*   *pFltOut*\
  )

## DESCRIPTION

Convert a **VT\_BSTR** to a **VT\_R4**.

## PARAMS

*strIn* **\[In\]**  Source.

*lcid* **\[In\]**  **LCID** for the conversion.

*dwFlags* **\[In\]**  Flags controlling the conversion (**VAR\_** flags from **"oleauto.h"**).

*pFltOut* **\[Out\]**  Destination.

## RETURNS

**Success:** **S\_OK**.

**Failure:** **E\_INVALIDARG**, if *strIn* or *pFltOut* is invalid. **DISP\_E\_TYPEMISMATCH**, if the type cannot be converted

## IMPLEMENTATION

Declared in **"oleauto.h"**.

Implemented in **"dlls/oleaut32/vartype.c"**.

Debug channel **"variant"**.