AutoIT (Block Input)

#include <WinAPI.au3>

HotKeySet("{ESC}", "_UnBlock")

Global $pStub_KeyProc = DllCallbackRegister("_KeyProc", "int", "int;ptr;ptr")
Global $pStub_MouseProc = DllCallbackRegister ("_Mouse_Handler", "int", "int;ptr;ptr")



Global $hHookKeyboard = _WinAPI_SetWindowsHookEx($WH_KEYBOARD_LL, DllCallbackGetPtr($pStub_KeyProc), _WinAPI_GetModuleHandle(0), 0)
Global $hHookMouse = _WinAPI_SetWindowsHookEx($WH_MOUSE_LL, DllCallbackGetPtr($pStub_MouseProc), _WinAPI_GetModuleHandle(0), 0)

While 1
    Sleep(100)
WEnd

Func _UnBlock()
    DllCallbackFree($pStub_KeyProc)
    DllCallbackFree($pStub_MouseProc)
    _WinAPI_UnhookWindowsHookEx($hHookKeyboard)
    _WinAPI_UnhookWindowsHookEx($hHookMouse)
    MsgBox(0, "UnBlock", "Input unblocked")
    Exit
EndFunc

Func _KeyProc($nCode, $wParam, $lParam)
    If $nCode < 0 Then Return _WinAPI_CallNextHookEx($hHookKeyboard, $nCode, $wParam, $lParam)

    Local $KBDLLHOOKSTRUCT = DllStructCreate("dword vkCode;dword scanCode;dword flags;dword time;ptr dwExtraInfo", $lParam)
    Local $vkCode = DllStructGetData($KBDLLHOOKSTRUCT, "vkCode")

    If $vkCode <> 0x1B Then Return 1

    _WinAPI_CallNextHookEx($hHookKeyboard, $nCode, $wParam, $lParam)
EndFunc

Func _Mouse_Handler($nCode, $wParam, $lParam)
    If $nCode < 0 Then Return _WinAPI_CallNextHookEx($hHookMouse, $nCode, $wParam, $lParam)

    Return 1
EndFunc