Improved the led update mechanism

Devices/Generic/AbstractCueDevice.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.Linq;
 using System.Runtime.InteropServices;
 using CUE.NET.Native;
@@ -35,9 +36,19 @@ namespace CUE.NET.Devices.Generic
             return Leds[ledId];
         }
 
-        public virtual void UpdateLeds(bool fullUpdate = false)
+        public virtual void UpdateLeds(bool forceUpdate = false)
         {
-            IList<KeyValuePair<int, CorsairLed>> ledsToUpdate = (fullUpdate ? Leds : Leds.Where(x => x.Value.IsDirty)).ToList();
+            IList<KeyValuePair<int, CorsairLed>> ledsToUpdate = (forceUpdate ? Leds : Leds.Where(x => x.Value.IsDirty)).ToList();
+
+            foreach (CorsairLed led in Leds.Values)
+                led.Update();
+
+            UpdateLeds(ledsToUpdate);
+        }
+        
+        private static void UpdateLeds(ICollection<KeyValuePair<int, CorsairLed>> ledsToUpdate)
+        {
+            ledsToUpdate = ledsToUpdate.Where(x => x.Value.Color != Color.Transparent).ToList();
 
             if (!ledsToUpdate.Any())
                 return; // CUE seems to crash if 'CorsairSetLedsColors' is called with a zero length array

Devices/Generic/CorsairLed.cs

@@ -6,21 +6,27 @@ namespace CUE.NET.Devices.Generic
     {
         #region Properties & Fields
 
-        public bool IsDirty { get; private set; } = false;
+        public bool IsDirty => RequestedColor != _color;
+        public bool IsUpdated { get; private set; }
 
-        private Color _color = Color.Black;
+        public Color RequestedColor { get; private set; } = Color.Transparent;
+
+        private Color _color = Color.Transparent;
         public Color Color
         {
             get { return _color; }
             set
             {
-                if (_color != value)
-                    IsDirty = true;
-
-                _color = value;
+                if (!IsLocked)
+                {
+                    RequestedColor = value;
+                    IsUpdated = true;
+                }
             }
         }
 
+        public bool IsLocked { get; set; } = false;
+
         //TODO DarthAffe 19.09.2015: Add effects and stuff
 
         #endregion
@@ -30,5 +36,15 @@ namespace CUE.NET.Devices.Generic
         internal CorsairLed() { }
 
         #endregion
+
+        #region Methods
+
+        internal void Update()
+        {
+            _color = RequestedColor;
+            IsUpdated = false;
+        }
+
+        #endregion
     }
 }

Devices/Generic/GenericDeviceInfo.cs

@@ -13,8 +13,7 @@ namespace CUE.NET.Devices.Generic
         /// Device type.
         /// </summary>
         public CorsairDeviceType Type { get; }
-
-        //TODO DarthAffe 17.09.2015: This could be an Enum
+        
         /// <summary>
         /// Device model (like “K95RGB”).
         /// </summary>