BizDraw framework for .NET

using System;
using System.Windows.Forms;
using System.Drawing;
using BizDraw.Objects;
using BizDraw.Controls;
using System.Reflection;
using System.IO;
using System.Collections.Generic;
namespace BizDraw.Tools
{
    [System.Runtime.InteropServices.ComVisible(true)]
	/// <summary>
	/// Base class for all drawing tools
	/// </summary>
	public abstract class Tool
	{
        private Dictionary<string , Cursor > Cursors = new Dictionary<string,Cursor>();
        protected Cursor GetCursor(string name)
        {
            if (Cursors.ContainsKey(name))
                return Cursors[name];
            else
            {
                Stream s = Assembly.GetAssembly(typeof(Tool)).GetManifestResourceStream("BizDraw.Resources." + name + ".cur");
                Cursor c = new Cursor(s);
                Cursors.Add(name, c);
                return c;
            }
        }

        /// <summary>
        /// Left nous button is pressed
        /// </summary>
        /// <param name="drawArea"></param>
        /// <param name="e"></param>
        public virtual void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
        {
        }


        /// <summary>
        /// Mouse is moved, left mouse button is pressed or none button is pressed
        /// </summary>
        /// <param name="drawArea"></param>
        /// <param name="e"></param>
        public virtual void OnMouseMove(DrawArea drawArea, MouseEventArgs e)
        {
        }


        /// <summary>
        /// Left mouse button is released
        /// </summary>
        /// <param name="drawArea"></param>
        /// <param name="e"></param>
        public virtual void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
        {
        }

        /// <summary>
        /// Left mouse button is released
        /// </summary>
        /// <param name="drawArea"></param>
        /// <param name="e"></param>
        public virtual void OnDoubleClick(DrawArea drawArea,EventArgs  e)
        {
        }
    }
}