Initial commit of existing code.

* All renderdoc code up to this point was written by me, history is available by request

WinFormsUI/Docking/DummyControl.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Windows.Forms;
+
+namespace WeifenLuo.WinFormsUI.Docking
+{
+    internal class DummyControl : Control
+    {
+        public DummyControl()
+        {
+            SetStyle(ControlStyles.Selectable, false);
+        }
+    }
+}