DrawLine() {
		Hotkey := RegExReplace(A_ThisHotkey, (A_IsUnicode = 1) ? "(*UCP)^(\w* & |\W*)" : "^(\w* & |\W*)")
		While (GetKeyState(Hotkey, "p") = 1) {
		Loop,
		{
			PixelSearch, x, y, 0, 570, 200, 760, 0xFFFFFF, 10, fast rgb
			If !ErrorLevel
            Gdip_GraphicsClear(this.G)
			Gdip_DrawLine(this.G, this.pPen, x, y, 200, 570)   ; draw new line
			UpdateLayeredWindow(this.hwnd, this.hdc)
            Sleep, 200
			If ErrorLevel
			Sleep, 1000
		}
		}
		}

CoordMode, mouse,Screen
#IfWinActive Dota 2
MyLines := new c_DrawLinesOnScreen()
F1::MyLines.DrawLine()

Esc::ExitApp


#Include Gdip.ahk

Class c_DrawLinesOnScreen {      
	Lines := []
	__New(o="") {
		Gui, New, +Hwndhwnd
		Gui %hwnd%: -Caption +E0x80000 +ToolWindow +AlwaysOnTop +OwnDialogs +Hwndhwnd
		Gui %hwnd%: Show, NA
		hbm := CreateDIBSection(A_ScreenWidth, A_ScreenHeight), hdc := CreateCompatibleDC(), obm := SelectObject(hdc, hbm)      
		G := Gdip_GraphicsFromHDC(hdc)
		if (G < 1)
			pToken := Gdip_Startup(), G := Gdip_GraphicsFromHDC(hdc), this.pToken := pToken
		Gdip_SetSmoothingMode(G, 4), Gdip_SetInterpolationMode(G, 7)
		PenColor := (o.PenColor) ? o.PenColor : "ffff0000", PenWidth := (o.PenWidth) ? o.PenWidth : 3
		pPen := Gdip_CreatePen("0x" PenColor, PenWidth)
		UpdateLayeredWindow(hwnd, hdc, 0, 0, A_ScreenWidth, A_ScreenHeight)
		this.hwnd := hwnd, this.hbm := hbm, this.hdc := hdc, this.obm := obm, this.G := G, this.pPen := pPen
	}

DrawLine() {
		Hotkey := RegExReplace(A_ThisHotkey, (A_IsUnicode = 1) ? "(*UCP)^(\w* & |\W*)" : "^(\w* & |\W*)")
		While (GetKeyState(Hotkey, "p") = 1) {
		Loop,
		{
			PixelSearch, x, y, 0, 570, 200, 760, 0xFFFFFF, 10, fast rgb
            Gdip_GraphicsClear(this.G)
			Gdip_DrawLine(this.G, this.pPen, pLine.1, pLine.2, pLine.3, pLine.4)
			Gdip_DrawLine(this.G, this.pPen, x, y, 200, 570)   ; draw new line
			UpdateLayeredWindow(this.hwnd, this.hdc)
            Sleep, 200
}
}
}