movelinklabel.cs

当文字的长度大于label的长度时

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;
 
namespace PowerNet.Mobile.Label.ClassLab
{
    class MoveLinkLabel : LinkLabel
    {
        public static Thread moveThread;
        public static string movingTitle;
        public static MoveLinkLabel movingLabel;
        public static bool mark = false;
        
      
        private string title;
        private int titleWidth;

        public string Title
        {
            get
            {
                return this.title;
            }
            set
            {
                title = value;
                this.Text = title;
                titleWidth = (int)((new Form().CreateGraphics()).MeasureString(title, this.Font)).Width;
            }
        }
        public MoveLinkLabel()
        {

            this.GotFocus += new EventHandler(MoveLinkLabel_GotFocus);
            this.LostFocus += new EventHandler(MoveLinkLabel_LostFocus);
            this.Click += new EventHandler(MoveLinkLabel_Click);
            
        }

        public string GetTitle()
        {
            return this.title;
        }
        private void  MoveLinkLabel_Click(object sender, EventArgs e)
        {
            MessageBox.Show("yes");
        }

        private void MoveLinkLabel_LostFocus(object sender, EventArgs e)
        {
            if (this.titleWidth < this.Width) 
                return;
            MoveLinkLabel.movingLabel.Text = MoveLinkLabel.movingLabel.GetTitle();
            MoveLinkLabel.moveThread.Abort();
            mark = false;
        }

        private void MoveLinkLabel_GotFocus(object sender, EventArgs e)
        {
            if (this.titleWidth < this.Width) 
                return;
            MoveLinkLabel.movingLabel = this;
            MoveLinkLabel.movingTitle = this.title;
            if (mark)
            {
                MoveLinkLabel.moveThread.Abort();
            }
            mark = true;
            MoveLinkLabel.moveThread = new Thread(new ThreadStart(MoveLinkLabel.TextChange));
            MoveLinkLabel.moveThread.IsBackground = true;
            MoveLinkLabel.moveThread.Start();

        }

        delegate void TextMoveDelegate(string text);

        private static void TextMove(string text)
        {
            MoveLinkLabel.movingLabel.Text = text;
        }

        private static void TextChange()
        {
            int end = movingTitle.Length;
           
            while (true)
            {
                Thread.Sleep(0);
                for (int i = 0; i < end; i++)
                {
                    TextMoveDelegate move = new TextMoveDelegate(TextMove);
                    MoveLinkLabel.movingLabel.Invoke(move, movingTitle.Substring(i, end - i));
                    Thread.Sleep(380);
                }
            }
        }

    }
}

/*
 * for (int i = 0; i < 8; i++)
            {
                TextMoveDelegate move = new TextMoveDelegate(TextMove);

                MoveLinkLabel.movingLabel.Invoke(move, i.ToString());
                Thread.Sleep(2000);
            }
*/