TTM_TRACKACTIVATE message

Activates or deactivates a tracking tooltip.

Parameters

wParam

Value specifying whether tracking is being activated or deactivated. This value can be one of the following:

Value Meaning
TRUE
Activate tracking.
FALSE
Deactivate tracking.

lParam

Pointer to a TOOLINFO structure that identifies the tool to which this message applies. The hwnd and uId members identify the tool, and the cbSize member specifies the size of the structure. All other members are ignored.

Return value

The return value for this message is not used.

Requirements

Minimum supported client
Windows Vista [desktop apps only]
Minimum supported server
Windows Server 2003 [desktop apps only]
Header
Commctrl.h

See also

Reference

TTM_TRACKPOSITION

Conceptual

Using Tooltip Controls