Fix some bad parameter names, add missing methods, add missing classes, etc.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66210 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/kbdstate.h

@@ -130,5 +130,12 @@ public:
         Notice that GetModifiers() should usually be used instead of this one.
      */
     bool CmdDown() const;
+
+    
+    void SetControlDown(bool down);
+    void SetShiftDown(bool down);
+    void SetAltDown(bool down);
+    void SetMetaDown(bool down);
+
 };