Windows 11 toggle auto hide start menu

toggle-auto-hide-taskbar.ahk

#!D::HideShowTaskbar()

HideShowTaskbar() {
    static ABM_SETSTATE := 0xA, ABS_AUTOHIDE := 0x1, ABS_ALWAYSONTOP := 0x2
    static hide := 0
    hide := !hide
    APPBARDATA := Buffer(size := 2*A_PtrSize + 2*4 + 16 + A_PtrSize, 0)
    NumPut("UInt", size, APPBARDATA), NumPut("Ptr", WinExist("ahk_class Shell_TrayWnd"), APPBARDATA, A_PtrSize)
    NumPut("UInt", hide ? ABS_AUTOHIDE : ABS_ALWAYSONTOP, APPBARDATA, size - A_PtrSize)
    DllCall("Shell32\SHAppBarMessage", "UInt", ABM_SETSTATE, "Ptr", APPBARDATA)
}