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

# DefWindowProcW(3w)

## NAME

**DefWindowProcW** (USER32.@)

## SYNOPSIS

LRESULT DefWindowProcW\
  (\
   HWND   *hwnd*,\
   UINT   *msg*,\
   WPARAM *wParam*,\
   LPARAM *lParam*\
  )

## PARAMS

*hwnd* **\[In\]**  window procedure receiving message.

*msg* **\[In\]**  message identifier.

*wParam* **\[In\]**  first message parameter.

**\[In\]**  second message parameter.

## DESCRIPTION

DefWindowProcW (**USER32**.@) Calls default window message handler.

Calls default window procedure for messages not processed by application.

## RETURNS

Return value is dependent upon the message.

## IMPLEMENTATION

Declared in **"winuser.h"**.

Implemented in **"dlls/user32/defwnd.c"**.

Debug channel **"win"**.