TTN_NEEDTEXT notification code
Sent by a tooltip control to retrieve information needed to display a tooltip window. This notification code is identical to TTN_GETDISPINFO. This notification code is sent in the form of a WM_NOTIFY message.
TTN_NEEDTEXT
lpnmtdi = (LPNMTTDISPINFO) lParam;
Parameters
-
lParam
-
Pointer to an NMTTDISPINFO structure that identifies the tool that needs text and receives the requested information.
Return value
The return value for this notification is not used.
Remarks
Fill the structure's appropriate members to return the requested information to the tooltip control. If your message handler sets the uFlags member of the NMTTDISPINFO structure to TTF_DI_SETITEM, the tooltip control stores the information and will not request it again.
Requirements
Requirement | Value |
---|---|
Minimum supported client |
Windows Vista [desktop apps only] |
Minimum supported server |
Windows Server 2003 [desktop apps only] |
Header |
|
Unicode and ANSI names |
TTN_NEEDTEXTW (Unicode) and TTN_NEEDTEXTA (ANSI) |