SvgElement.cs

        	var handler = MouseScroll;
            if (handler != null)
            {
                handler(sender, e);
            }
        }
        
        #endregion graphical EVENTS
    }
    
    public class SVGArg : EventArgs
    {
    	public string SessionID;
    }
    	
    
    /// <summary>
    /// Describes the Attribute which was set
    /// </summary>
    public class AttributeEventArgs : SVGArg
    {
    	public string Attribute;
    	public object Value;
    }
    
    /// <summary>
    /// Content of this whas was set
    /// </summary>
    public class ContentEventArgs : SVGArg
    {
    	public string Content;
    }
    
    /// <summary>
    /// Describes the Attribute which was set
    /// </summary>
    public class ChildAddedEventArgs : SVGArg
    {
    	public SvgElement NewChild;
    	public SvgElement BeforeSibling;
    }

#if Net4
    //deriving class registers event actions and calls the actions if the event occurs
    public interface ISvgEventCaller
    {
        void RegisterAction(string rpcID, Action action);
        void RegisterAction<T1>(string rpcID, Action<T1> action);
        void RegisterAction<T1, T2>(string rpcID, Action<T1, T2> action);
        void RegisterAction<T1, T2, T3>(string rpcID, Action<T1, T2, T3> action);
        void RegisterAction<T1, T2, T3, T4>(string rpcID, Action<T1, T2, T3, T4> action);
        void RegisterAction<T1, T2, T3, T4, T5>(string rpcID, Action<T1, T2, T3, T4, T5> action);
        void RegisterAction<T1, T2, T3, T4, T5, T6>(string rpcID, Action<T1, T2, T3, T4, T5, T6> action);
        void RegisterAction<T1, T2, T3, T4, T5, T6, T7>(string rpcID, Action<T1, T2, T3, T4, T5, T6, T7> action);
        void RegisterAction<T1, T2, T3, T4, T5, T6, T7, T8>(string rpcID, Action<T1, T2, T3, T4, T5, T6, T7, T8> action);
        void UnregisterAction(string rpcID);
    }
#endif

    /// <summary>
    /// Represents the state of the mouse at the moment the event occured.
    /// </summary>
    public class MouseArg : SVGArg
    {
        public float x;
        public float y;

        /// <summary>
        /// 1 = left, 2 = middle, 3 = right
        /// </summary>
        public int Button;
        
        /// <summary>
        /// Amount of mouse clicks, e.g. 2 for double click
        /// </summary>
        public int ClickCount = -1;
        
        /// <summary>
        /// Alt modifier key pressed
        /// </summary>
        public bool AltKey;
        
        /// <summary>
        /// Shift modifier key pressed
        /// </summary>
        public bool ShiftKey;
        
        /// <summary>
        /// Control modifier key pressed
        /// </summary>
        public bool CtrlKey;
    }
    
    /// <summary>
    /// Represents a string argument
    /// </summary>
    public class StringArg : SVGArg
    {
        public string s;
    }
    
    public class MouseScrollArg : SVGArg
    {
    	public int Scroll;
    	
    	/// <summary>
        /// Alt modifier key pressed
        /// </summary>
        public bool AltKey;
        
        /// <summary>
        /// Shift modifier key pressed
        /// </summary>
        public bool ShiftKey;
        
        /// <summary>
        /// Control modifier key pressed
        /// </summary>
        public bool CtrlKey;
    }

    public interface ISvgNode
    {
        string Content { get; }
    }

    internal interface ISvgElement
    {
		SvgElement Parent {get;}
		SvgElementCollection Children { get; }
        IList<ISvgNode> Nodes { get; }

        void Render(ISvgRenderer renderer);
    }
}