From f3f7f498af3dc1b590384f14b5793c8487b03dec Mon Sep 17 00:00:00 2001
From: hmmwhatsthisdo <hmmwhatsthisdo@gmail.com>
Date: Sun, 22 Apr 2018 06:17:58 -0700
Subject: [PATCH] Add sanity-check to CueSDK.EnableKeypressHandler() to ensure
 handlers are only enabled once. Resolves #69.

---
 CueSDK.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CueSDK.cs b/CueSDK.cs
index d783db0..383d9c9 100644
--- a/CueSDK.cs
+++ b/CueSDK.cs
@@ -269,6 +269,9 @@ namespace CUE.NET
             if (!IsInitialized)
                 throw new WrapperException("CueSDK isn't initialized.");
 
+            if (_onKeyPressedDelegate != null)
+                return;
+
             _onKeyPressedDelegate = OnKeyPressed;
             _CUESDK.CorsairRegisterKeypressCallback(Marshal.GetFunctionPointerForDelegate(_onKeyPressedDelegate), IntPtr.Zero);
         }