SHAppBarMessage

Overview

Group

Quick Info

Windows NT
Yes
Win95
Yes
Win32s
No
Import Library

Header File
shellapi.h
Unicode
No
Platform Notes
None

[Now Supported on Windows NT]

Sends an appbar message to the system.

WINSHELLAPI UINT APIENTRY SHAppBarMessage(

Parameters
dwMessage
Identifier of the appbar message to send. This parameter can be one of the following values:

ABM_ACTIVATE	Notifies the system that an appbar has been activated.
ABM_GETAUTOHIDEBAR	Retrieves the handle of the autohide appbar associated with a particular edge of the screen.
ABM_GETSTATE	Retrieves the autohide and always-on-top states of the Windows taskbar.
ABM_GETTASKBARPOS	Retrieves the bounding rectangle of the Windows taskbar.
ABM_NEW	Registers a new appbar and specifies the message identifier that the system should use to send notification messages to the appbar.
ABM_QUERYPOS	Requests a size and screen position for an appbar.
ABM_REMOVE	Unregisters an appbar, removing bar from the system's internal list.
ABM_SETAUTOHIDEBAR	Registers or unregisters an autohide appbar for an edge of the screen.
ABM_SETPOS	Sets the size and screen position of an appbar.
ABM_WINDOWPOSCHANGED	Notifies the system when an appbar's position has changed.

pData
Pointer to an APPBARDATA structure. The content of the structure depends on the value of dwMessage.

Return Values
Returns a message-dependent value. For more information, see the documentation for the individual appbar messages.