WM_CHOOSEFONT_GETLOGFONT
wParam = 0; /* not used, must be zero */
lplf = (LPLOGFONT) lParam; /* address of a LOGFONT structure */
An application sends a WM_CHOOSEFONT_GETLOGFONT message to the Font dialog box created by the ChooseFont function to retrieve the current LOGFONT structure.
lplf
Points to a LOGFONT structure that receives information about the current logical font.
This message does not return a value.
An application uses this message to retrieve the LOGFONT structure while the Font dialog box is open. When the user closes the dialog box, the ChooseFont function receives information about the LOGFONT structure.
WM_GETFONT