NAME¶

LockWindowUpdate (USER32.@)

SYNOPSIS¶

BOOL LockWindowUpdate
(
HWND hwnd
)

DESCRIPTION¶

Enables or disables painting in the chosen window.

PARAMS¶

hwnd [In] handle to a window.

RETURNS¶

If successful, returns nonzero value. Otherwise, returns 0.

NOTES¶

You can lock only one window at a time.

IMPLEMENTATION¶

Declared in "winuser.h". Implemented in "dlls/user32/painting.c". Debug channel "win".