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TTN_SHOW

TTN_SHOW 
	idTT = (int) wParam; 
	pnmh = (LPNMHDR) lParam; 

Notifies the owner window that a tooltip is about to be displayed. This notification message is sent in the form of a WM_NOTIFY message.

• No return value.

idTT

Identifier of the tooltip control.

pnmh

Address of an NMHDR structure.

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