SHAppBarMessageSHAppBarMessage*
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SHAppBarMessage


WINSHELLAPI UINT APIENTRY SHAppBarMessage(
    DWORD dwMessage, 
    PAPPBARDATA pData
);

Sends an appbar message to the system.

dwMessage
Appbar message value 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 to 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 the 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
Address of an APPBARDATA structure. The content of the structure depends on the value set in the dwMessage parameter.

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