---
name: "VarR8FromDisp"
section: "3w"
platform: "linux"
package: "libwine-dev"
version: "1.4.1-4"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/VarR8FromDisp"
---

# VarR8FromDisp(3w)

## NAME

**VarR8FromDisp** (OLEAUT32.85)

## SYNOPSIS

HRESULT VarR8FromDisp\
  (\
   IDispatch\* *pdispIn*,\
   LCID       *lcid*,\
   double\*    *pDblOut*\
  )

## DESCRIPTION

Convert a **VT\_DISPATCH** to a **VT\_R8**.

## PARAMS

*pdispIn* **\[In\]**  Source.

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

*pDblOut* **\[Out\]**  Destination.

## RETURNS

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

**Failure:** **E\_INVALIDARG**, if the source value is invalid **DISP\_E\_OVERFLOW**, if the value will not fit in the destination **DISP\_E\_TYPEMISMATCH**, if the type cannot be converted

## IMPLEMENTATION

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

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

Debug channel **"variant"**.