返回任务栏所在的显示器一侧

该脚本通过调用 Windows API 确定当前任务栏在屏幕的哪个边缘：左（L）、上（T）、右（R） 或 下（B）。

MsgBox % TaskbarEdge()
;返回以下值之一：（左、上、右、下）
;在多显示器设置中，您可以使用WinGetPos或MouseGetPos或SysGet来查找X和Y并将其传递给TaskbarEdge()

; https://www.autohotkey.com/boards/viewtopic.php?f=6&t=81038
TaskbarEdge( X:=0, Y:=0 ) {                         ; by SKAN on D39F/D39F @ tiny.cc/taskbaredge
Local hMonitor:=VarSetCapacity(var,84,0),  v:=NumPut(40,var,"Int")-4
  hMonitor := DllCall("MonitorFromPoint", "Int64",(X & 0xFFFFFFFF) | (Y << 32), "Int",0, "UPtr")
  DllCall("GetMonitorInfo", "Ptr",hMonitor, "Ptr",v)
  DllCall("GetWindowRect", "Ptr",WinExist("ahk_class Shell_SecondaryTrayWnd"), "Ptr",v+68)
  DllCall("SubtractRect", "Ptr",v+52, "Ptr",v+4, "Ptr",v+68)
  DllCall("GetWindowRect", "Ptr",WinExist("ahk_class Shell_TrayWnd"), "Ptr",v+36)
  DllCall("SubtractRect", "Ptr",v+20, "Ptr",v+52, "Ptr",v+36)
Return NumGet(v+12,"Int")>NumGet(v+28,"Int") ? "R" : NumGet(v+16,"Int")>NumGet(v+32,"Int") ? "B"
  : NumGet(v+20,"Int")>NumGet(v+4,"Int") ? "L" : NumGet(v+24,"Int")>NumGet(v+8,"Int") ? "T" : ""
}