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WM_OBSCURED (Compact 7)

  • Article

3/12/2014

This message is sent to notify an application that its window is fully obscured by another overlapping window.

Parameters

  • wParam
    Indicates the current visibility state of the window. It can be one of the following:

    Value Integer Description

    WO_UNOBSCURED

    0

    The window is no longer fully obscured by another overlapping window.

    WO_OBSCURED

    1

    Both the window's client area and non-client area are obscured by another overlapping window.

Remarks

This message is sent only for an OS that uses Window Compositor (SYSGEN_COMPOSITION).

This message is sent to the message queue of the window whose obscurity state has changed. A window is obscured when it is completely covered by another nontransparent window or when it is positioned outside the display screen.

Requirements

Header

winuser.h

sysgen

SYSGEN_COMPOSITION

See Also

Reference

Window Compositor Messages