用C#实现多张图片平行移动，图片一直循环的核心算法 求指教

跑马灯 平行移动 就是控制location x坐标

.....

参照此版主所说。

给你一个范例代码，因为不知道怎么发图片，所以如果要看UI图片或FormMain.Designer.cs请到http://www.中查找相关帖子查看，核心算法就在Timer触发的那一段。

using System;
using System.Drawing;
using System.Threading;
using System.Windows.Forms;
using Timer = System.Threading.Timer;

namespace ImageCycleMove
{
    public partial class FormMain : Form
    {
        #region 只读全局字段

        private readonly Timer _timer;

        #endregion

        #region 全局字段

        private int             _changeCritical;
        private int             _left;
        private int             _leftPictureBoxIndex;
        private PictureBox[]    _pictureBoxs;

        #endregion

        #region 构造函数

        public FormMain()
        {
            InitializeComponent();
            _timer = new Timer(TimerProcess, null, Timeout.Infinite, Timeout.Infinite);
            Closing                     += FormMain_Closing;
            NudImageCount.ValueChanged  += StartCycleMove;
            NudImageMargin.ValueChanged += StartCycleMove;
            NudInterval.ValueChanged    += NudInterval_ValueChanged;
            SizeChanged                 += StartCycleMove;
        }
      
        #endregion

        #region 控件事件

        void ButStop_Click(object sender, EventArgs e)
        {
            _timer.Change(Timeout.Infinite, Timeout.Infinite);
            ButStop.Enabled  = false;
            ButStart.Enabled = true;
        }

        void FormMain_Closing(object sender,  e)
        {
            _timer.Change(Timeout.Infinite, Timeout.Infinite);
        }

        void NudInterval_ValueChanged(object sender, EventArgs e)
        {
            _timer.Change(0, (int)NudInterval.Value);
        }

        void StartCycleMove(object sender, EventArgs e)
        {
            StartCycleMoveProcess();
        }

        #endregion

        #region 事件处理

        void TimerProcess(object o)
        {
            try
            {
                if (InvokeRequired)
                    Invoke(new Action<object>(TimerProcess), new[] { o });
                else
                {
                    _left--;
                    foreach (var pictureBox in _pictureBoxs)
                        pictureBox.Left--;
                    if (_left < _changeCritical)
                    {
                        _left = 0;
                        var pictureBox = _pictureBoxs[_leftPictureBoxIndex];
                        pictureBox.Left = Panel.Width + (int)NudImageMargin.Value;
                        _leftPictureBoxIndex++;
                        if (_leftPictureBoxIndex >= (int)NudImageCount.Value)
                            _leftPictureBoxIndex = 0;
                    }
                }
            }
            catch { }
        }

        #endregion

        #region 私有方法

        private void CreateImages()
        {
            var imageCount      = (int) NudImageCount.Value;
            var imageMargin     = (int) NudImageMargin.Value;
            var containerWidth  = Panel.Width;
            var eachImageWidth  = (containerWidth - (imageCount - 2) * imageMargin) / (imageCount - 1);
            var eachImageHeight = Panel.Height;
            _changeCritical     = -(eachImageWidth + imageMargin);
            _pictureBoxs        = new PictureBox[imageCount];
            for (var i = 0; i < imageCount; i++)
            {
                var bitmap = new Bitmap(eachImageWidth, eachImageHeight);
                var random = new Random(DateTime.Now.Millisecond);
                var g = Graphics.FromImage(bitmap);
                var backColor = Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256));
                g.Clear(backColor);
                g.DrawString("", new Font("SimHei", 10f),
                             new SolidBrush(Color.FromArgb(255 - backColor.R, 255 - backColor.R, 255 - backColor.R)), 5, 5);
                g.DrawString(i.ToString("00"), new Font("SimHei", eachImageWidth / 4f, FontStyle.Bold),
                             new SolidBrush(Color.FromArgb(255 - backColor.R, 255 - backColor.R, 255 - backColor.R)), 5, 15);
                var pictureBox = new PictureBox
                                     {
                                         Width    = eachImageWidth,
                                         Height   = eachImageHeight,
                                         Image    = bitmap,
                                         Location = new Point(i * eachImageWidth + i * imageMargin, 0)
                                     };
                _pictureBoxs[i] = pictureBox;
                Panel.Controls.Add(pictureBox);
            }
        }

        private void StartCycleMoveProcess()
        {
            ButStart.Enabled = false;
            Panel.Controls.Clear();
            _left = 0;
            _leftPictureBoxIndex = 0;
            CreateImages();
            _timer.Change(0, (int)NudInterval.Value);
            ButStop.Enabled = true;
        }

        #endregion

[ 本帖最后由 mmxo 于 2012-11-7 16:32 编辑 ]