SkillCheckDirectLocationHandler : MulticastDelegate, ICloneable, ISerializable
      (ctor) SkillCheckDirectLocationHandler( object object, IntPtr method )
      virtual IAsyncResult BeginInvoke( Mobile from, SkillName skill, double chance, AsyncCallback callback, object object )
      virtual bool EndInvoke( IAsyncResult result )
      virtual bool Invoke( Mobile from, SkillName skill, double chance )