---
name: "VarUI1FromUI8"
section: "3w"
platform: "linux"
package: "libwine-dev"
version: "1.4.1-4"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/VarUI1FromUI8"
---

# VarUI1FromUI8(3w)

## NAME

**VarUI1FromUI8** (OLEAUT32.373)

## SYNOPSIS

HRESULT VarUI1FromUI8\
  (\
   ULONG64 *ullIn*,\
   BYTE\*   *pbOut*\
  )

## DESCRIPTION

Convert a **VT\_UI8** to a **VT\_UI1**.

## PARAMS

*ullIn* **\[In\]**  Source.

*pbOut* **\[Out\]**  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

## IMPLEMENTATION

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

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

Debug channel **"variant"**.