From 684191cd42e845575c0800557ede7b8547b0b2b5 Mon Sep 17 00:00:00 2001
From: FellippeHeitor <fellippeheitor@gmail.com>
Date: Thu, 22 Dec 2016 00:13:09 -0200
Subject: [PATCH] Created __UI_UnloadSignal (markdown)

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 __UI_UnloadSignal.md | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 __UI_UnloadSignal.md

diff --git a/__UI_UnloadSignal.md b/__UI_UnloadSignal.md
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+The [[global variable|Global variables]] __UI_UnloadSignal will be set to True if the user requested the program to be closed, either by clicking the X button on the title bar or by hitting Alt+F4 (Windows only).
+
+In an [[BeforeUnload]] event, set this variable to False to cancel the quit request.
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