Anchor(ctrl, a, draw = false) { ; v3.4 - Titan
	static pos
	GuiControlGet, p, Pos, %ctrl%
	If !A_Gui or ErrorLevel
		Return
	sig = `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(pos, sig)
		pos := pos . sig . px - A_GuiWidth * b1 . c5 . pw - A_GuiWidth * b2
			. c5 . py - A_GuiHeight * b3 . c5 . ph - A_GuiHeight * b4 . c5
	StringMid, p, pos, InStr(pos, sig) + StrLen(sig)
	StringSplit, p, p, %c5%
	Loop, 4
		If InStr(a, c%A_Index%) {
			i = %A_Index%
			c6 += i > 2
			m := m . c%i% . p%i% + c%c6% * b%i%
		}
	If draw
		d = Draw
	GuiControl, Move%d%, %ctrl%, %m%
}