Anchor(ctrl, a, draw = false) { ; v3.4.2 - Titan
	static d
	GuiControlGet, p, Pos, %ctrl%
	If !A_Gui or ErrorLevel
		Return
	s = `n%A_Gui%:%ctrl%=
	c = x.w.y.h./.7.%A_GuiWidth%.%A_GuiHeight%
	StringSplit, c, c, .
	Loop, 4
		b%A_Index% += !RegExMatch(a, c%A_Index% . "(?P<" . A_Index . ">[\d.]+)", b)
	If !InStr(d, s)
		d := d . s . px - c7 * b1 . c5 . pw - c7 * b2
			. c5 . py - c8 * b3 . c5 . ph - c8 * b4 . c5
	Loop, 4
		If InStr(a, c%A_Index%) {
			i = %A_Index%
			c6 += !cx and (cx := i > 2)
			RegExMatch(d, s . "(?:(-?[\d.]+)/){" . i . "}", p)
			m := m . c%i% . p1 + c%c6% * b%i%
		}
	If draw
		t = Draw
	GuiControl, Move%t%, %ctrl%, %m%
}