add KeyboardHook

src/Shared/HandyControl_Shared/Data/Args/KeyboardHookEventArgs.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Windows.Input;
+
+namespace HandyControl.Data
+{
+    internal class KeyboardHookEventArgs : EventArgs
+    {
+        public Key Key { get; }
+
+        public KeyboardHookEventArgs(int virtualKey)
+        {
+            Key = KeyInterop.KeyFromVirtualKey(virtualKey);
+        }
+    }
+}