Added some extensions for KeyGroups

Devices/Keyboard/Keys/BaseKeyGroup.cs

@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Drawing;
+using CUE.NET.Devices.Keyboard.Extensions;
 
 namespace CUE.NET.Devices.Keyboard.Keys
 {
@@ -8,7 +9,7 @@ namespace CUE.NET.Devices.Keyboard.Keys
     {
         #region Properties & Fields
 
-        protected CorsairKeyboard Keyboard { get; }
+        internal CorsairKeyboard Keyboard { get; }
 
         public IEnumerable<CorsairKey> Keys => new ReadOnlyCollection<CorsairKey>(GroupKeys);
         protected IList<CorsairKey> GroupKeys { get; } = new List<CorsairKey>();
@@ -24,18 +25,7 @@ namespace CUE.NET.Devices.Keyboard.Keys
             this.Keyboard = keyboard;
 
             if (autoAttach)
-                keyboard.AttachKeyGroup(this);
-        }
-
-        #endregion
-
-        #region Methods
-
-        public void MergeKeys(IKeyGroup groupToMerge)
-        {
-            foreach (CorsairKey key in groupToMerge.Keys)
-                if (!GroupKeys.Contains(key))
-                    GroupKeys.Add(key);
+                this.Attach();
         }
 
         #endregion

Devices/Keyboard/Keys/SimpleKeyGroup.cs

@@ -6,18 +6,26 @@ namespace CUE.NET.Devices.Keyboard.Keys
     {
         #region Constructors
 
-        public SimpleKeyGroup(CorsairKeyboard keyboard)
-            : base(keyboard)
+        public SimpleKeyGroup(CorsairKeyboard keyboard, bool autoAttach = true)
+            : base(keyboard, autoAttach)
         { }
 
         public SimpleKeyGroup(CorsairKeyboard keyboard, params CorsairKey[] keys)
-            : base(keyboard)
+            : this(keyboard, true, keys)
+        { }
+
+        public SimpleKeyGroup(CorsairKeyboard keyboard, bool autoAttach, params CorsairKey[] keys)
+            : base(keyboard, autoAttach)
         {
             AddKey(keys);
         }
 
         public SimpleKeyGroup(CorsairKeyboard keyboard, params CorsairKeyboardKeyId[] keys)
-            : base(keyboard)
+            : this(keyboard, true, keys)
+        { }
+
+        public SimpleKeyGroup(CorsairKeyboard keyboard, bool autoAttach, params CorsairKeyboardKeyId[] keys)
+            : base(keyboard, autoAttach)
         {
             AddKey(keys);
         }
@@ -67,6 +75,13 @@ namespace CUE.NET.Devices.Keyboard.Keys
             return ContainsKey(Keyboard[keyId]);
         }
 
+        public void MergeKeys(IKeyGroup groupToMerge)
+        {
+            foreach (CorsairKey key in groupToMerge.Keys)
+                if (!GroupKeys.Contains(key))
+                    GroupKeys.Add(key);
+        }
+
         #endregion
     }
 }