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

# DoesStringRoundTripW(3w)

## NAME

**DoesStringRoundTripW** (SHLWAPI.365)

## SYNOPSIS

BOOL DoesStringRoundTripW\
  (\
   LPCWSTR *lpSrcStr*,\
   LPSTR   *lpDst*,\
   INT     *iLen*\
  )

## DESCRIPTION

Determine if a Unicode string converts to Ascii and back identically.

## PARAMS

*lpSrcStr* **\[In\]**  Source Unicode string to convert.

*lpDst* **\[Out\]**  Destination for resulting Ascii string.

*iLen* **\[In\]**  Length of *lpDst* in characters.

## RETURNS

**TRUE**, if *lpSrcStr* converts to Ascii and back identically, **FALSE** otherwise.

## IMPLEMENTATION

Exported by ordinal only. Use **[GetProcAddress(3w)](/GetProcAddress/3w.md)** to obtain a pointer to the function.

Implemented in **"dlls/shlwapi/string.c"**.

Debug channel **"shell"**.