shape.cs

CSharp的MDI窗口事例

using System;
using System.Drawing;

namespace MDICSharp
{
	[Serializable]
	public abstract class Shape
	{
		private Point startPt;
		private Point endPt;
	//	private Color ForeColor;
	//	private Color BkColor;
	//	private int nWidht;

		public Shape()
		{
			startPt = new Point(0,0);
			endPt = new Point(0, 0);
		//	ForeColor = new Color();
		//	BkColor = new Color();
		//	nWidht = 2;
		} // constructor
		
		public abstract void DrawShape(Graphics dc, Pen drawPen, Brush brush);

		public Point StartPoint {
			get {
				return startPt;
			}
			set {
				startPt = value;
			}
		} // property StartPoint.

		public Point EndPoint {
			get 
			{
				return endPt;
			}
			set 
			{
				endPt = value;
			}
		} // property EndPoint.
	}
}