AutoHotkey Community

#IfWinActive ;No matter which window is on top
F1:: Perform Func and allow winB to be on top, i.e., visible
  DetectHiddenWindows, On        ;Off by default
  IfWinExist, winB ;If winB window already exists (means Func is already running)
    ;IF winB ALREADY EXISTS AND IS VISIBLE, I SHOULDN'T HAVE TO
    ;WASTE TIME BY RUNNING THE NEXT LINE!
    WinShow, winB  ;Unhide window
  Else ;winB window needs to be created
    Gosub, RunFunc ;Includes creating winB 
  DetectHiddenWindows, Off 
Return

              ;----------------

#IfWinActive ;No matter which window is on top
F2:: ;Perform Func but hide winB
  DetectHiddenWindows, On        ;Off by default
  IfWinNotExist, winB ;First create winB, then hide it
    {
    IfWinNotActive, winA
      {
      WinActivate, winA ;Main Window must be active
      WinWaitActive, winA
      }
    Gosub, RunFunc ;Includes creating winB 
    WinWaitActive, winB
    }
  WinHide, winB  ;Hide window
  DetectHiddenWindows, Off
Return

              ;----------------

F3:: Kill winB when finished
  DetectHiddenWindows, On
  IfWinExist, winB
    WinClose, winB
  DetectHiddenWindows, Off 
Return

RunFunc: ;Activate app's Func function which also creates popup winB
  ;some code
Return

if WinExist("winB") and IsWindowVisible("winB")
   msgbox winB exists and is visible

IsWindowVisible(p_WindowTitle)
{
    WinGet, Style, Style, % p_WindowTitle
    Transform, IsVisible, BitAnd, %Style%, 0x10000000 ; 0x10000000 is WS_VISIBLE.
    return IsVisible
}

#SingleInstance Force
SetTitleMatchMode, 2

WinName=Untitled - Notepad
;WinName=%A_ScriptName%
return

f1::
; msgbox before test

IfWinExist, %WinName%
{
;   msgbox window %WinName% exists
  WinGet, WinState, MinMax
;   msgbox %WinName%
  if (WinState = -1)
     WinRestore
  else
  {
 ;    WinRestore
     WinMinimize
  }
}
else
   msgbox window %WinName% could not be found

   return