AutoHotkey Community

;-----------------------------
   Gui, Add, Button, w200 gHide, Hide Windows
   Gui, Add, Button, w200 gShow, Show Windows
   Gui, Show, , MyWindow
   Return
;-----------------------------
   Hide:
   WinGet, id, list,,,
   Loop, %id%
   {   
      this_id := id%A_Index%
      WinGetClass, this_class, ahk_id %this_id%
      WinGetTitle, this_title, ahk_id %this_id%
      If (this_class <> "Shell_TrayWnd") and (this_class <> "Button") and (this_class <> "Progman") and (this_class <> "AutoHotkeyGUI") and (this_title <> "MyWindow")
      {
         MinWin=|%this_class% %this_title%%MinWin%
         WinSet, Transparent, 0, ahk_id %this_id%
         WinMinimize, %this_title%
         WinSet, Transparent, 255, ahk_id %this_id%
      }
      Else
      {   
         UntouchedWin=|%this_class% %this_title%%UntouchedWin%
      }
   }
   MsgBox ------------------------Untouched Windows------------------------`n`n%UntouchedWin%`n`n`n`n------------------------Touched Windows------------------------`n`n%MinWin%
   Return
;-----------------------------
   Show:
   WinGet, id, list,,,
   Loop, %id%
   {   
      this_id := id%A_Index%
      WinGetClass, this_class, ahk_id %this_id%
      WinGetTitle, this_title, ahk_id %this_id%
      IfInString, MinWin, %this_class% %this_title%
      {
         WinRestore, %this_title%
      }
   }
   Return
;-----------------------------
   GuiClose:
   GuiEscape:
   ExitApp

; Example #2: This will visit all windows on the entire system and display info about each of them:
WinGet, id, list,,, Program Manager
Loop, %id%
{
    this_id := id%A_Index%
    WinActivate, ahk_id %this_id%
    WinGetClass, this_class, ahk_id %this_id%
    WinGetTitle, this_title, ahk_id %this_id%
    MsgBox, 4, , Visiting All Windows`n%a_index% of %id%`nahk_id %this_id%`nahk_class %this_class%`n%this_title%`n`nContinue?
    IfMsgBox, NO, break
}