按键精灵，绑定了多个界面，开始和结束热键分别是F10,F12，如何按F12的时候只暂停当前窗口

Hwnd = Plugin.Window.Find(0, "")

Call Plugin.Window.Active(Hwnd)

Call Plugin.bgkms6_10.FakeWindowState(Hwnd, 2)

Rem a

Call Plugin.Bkgnd.KeyPress(Hwnd, 9)

Call Plugin.Bkgnd.KeyPress(Hwnd, 49)

Delay 200

a = GetLastKey()

If a=123 Then

Goto F12暂停

End If

Goto a

Rem F12暂停

Delay 500

a = GetLastKey()

If a=123 Then

Goto a

End If

Goto F12暂停