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

# FBadPropTag(3w)

## NAME

**FBadPropTag** (MAPI32.179)

## SYNOPSIS

ULONG FBadPropTag\
  (\
   ULONG *ulPropTag*\
  )

## DESCRIPTION

Determine if a property tag is invalid.

## PARAMS

*ulPropTag* **\[In\]**  Property tag to check.

## RETURNS

**TRUE**, if *ulPropTag* is invalid, **FALSE** otherwise.

## IMPLEMENTATION

Declared in **"mapival.h"**.

Implemented in **"dlls/mapi32/prop.c"**.

Debug channel **"mapi"**.