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

# IUnknown\_CPContainerOnChanged(3w)

## NAME

**IUnknown\_CPContainerOnChanged** (SHLWAPI.287)

## SYNOPSIS

HRESULT IUnknown\_CPContainerOnChanged\
  (\
   IUnknown\* *lpUnknown*,\
   DISPID    *dispID*\
  )

## DESCRIPTION

Notify an **IConnectionPointContainer** object of changes.

## PARAMS

*lpUnknown* **\[In\]**  Object to notify.

*dispID* **\[In\]**  **.**

## RETURNS

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

**Failure:** **E\_NOINTERFACE**, if *lpUnknown* is **NULL** or does not support the IConnectionPointContainer interface.

## IMPLEMENTATION

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

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

Debug channel **"shell"**.