spddl

example: ```go package main import ( "unsafe" "github.com/lxn/win" ) func main() { var lf = win.LOGFONT{} cfont := win.CHOOSEFONT{ HwndOwner: win.HWND(0), LpLogFont: &lf, Flags: win.CF_INITTOLOGFONTSTRUCT | win.CF_SCREENFONTS | win.CF_NOSCRIPTSEL, HInstance:...