How to use dll "DestroyMenu"? Topic is solved

[eqv]

Hello everyone. I'm trying to destroy the menu from a window, using this script:

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Sleep, 1000	;;  time-for-selectWindow

v := DllCall("GetMenu",uint,WinActive( "A" ))
DllCall("DestroyMenu",uint,v)
Msgbox % "Menu expected to be remove"

WinActivate
v:=DllCall("GetMenu",uint,WinActive( "A" ))
Msgbox % "still showing: " v

If I try a similar dll, it returns the error code ("-1"):

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Sleep, 1000	;;  time-for-selectWindow
v := DllCall("GetMenu",uint,WinActive( "A" ))
w := DllCall("GetMenuItemCount",uint,v)
Msgbox % w

So I guess, I just using incorrectly the function. I would be very grateful if someone could clarify how to use it.

(PS - I know the next code hide it, but I want to destroy it:)

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Sleep, 1000	;;  time-for-selectWindow
v := DllCall("GetMenu",uint,WinActive( "A" ))
Msgbox % "Hide Menu"
DllCall("SetMenu", uint, WinExist(""), uint, 0)
Msgbox % "Show Menu, using it hwnd: " v
DllCall("SetMenu", uint, WinExist(""), uint, v)

Sources:
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getmenu
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-destroymenu
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getmenuitemcount
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setmenu

[teadrinker]

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$F1:: DllCall("SetMenu", "Ptr", WinExist("A"), "Ptr", 0)

[eqv]

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$F1:: DllCall("SetMenu", "Ptr", WinExist("A"), "Ptr", 0)

Thanks, but I already knew this method (see my "PS" from my post).

[teadrinker]

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$F1::
   if !hMenu := DllCall("GetMenu", "Ptr", WinExist("A"), "Ptr")
      throw "Failed to get window menu"
   DllCall("SetMenu", "Ptr", WinExist("A"), "Ptr", 0)
   if !DllCall("DestroyMenu", "Ptr", hMenu)
      throw "Failed to destroy menu"
   Return

[eqv]

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$F1::
   if !hMenu := DllCall("GetMenu", "Ptr", WinExist("A"), "Ptr")
      throw "Failed to get window menu"
   DllCall("SetMenu", "Ptr", WinExist("A"), "Ptr", 0)
   if !DllCall("DestroyMenu", "Ptr", hMenu)
      throw "Failed to destroy menu"
   Return

Awesome!! Works as expected . It seems that I need to "SetMenu" to 0 first.