WM_FONTCHANGE

This message occurs when the pool of font resources changes. Any application that adds or removes fonts from the system (for example, through the AddFontResource or RemoveFontResource function) should send this message to all top-level windows.

Parameter

Description

wParam	Is not used.
lParam	Is not used.

Comments

To send the WM_FONTCHANGE message to all top-level windows, an application can call the SendMessage function with the hWnd parameter set to 0xFFFF.