在C# WinForm 轻松实现滚动字幕特效的关于窗体

在C# WinForm 轻松实现滚动字幕特效的关于窗体
原理很简单，Timer与集合、Label配合就可以轻松实现。
截图（记得在一些共享软件注册机上也看到这样的效果）：



看看下面的C#源码就知道了：

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Text;

using System.Windows.Forms;

using System.Diagnostics;

namespace CodingMouse.CMCSharpSDK.UI.Forms

{

/// <summary>

/// 关于本软件界面

/// </summary>

public partial class frmAbout : Form

{

#region Private Members

List<Label> lblTxt = new List<Label>();

List<Label> lblScroll = new List<Label>();

int index = 0;

/// <summary>

/// 保存窗体旧坐标的X轴值和Y轴值

/// </summary>

int _x, _y;

/// <summary>

/// 保存窗体是否可移动标识

/// </summary>

bool isMove = false;

/// <summary>

/// 保存鼠标指针指向的坐标点

/// </summary>

Point _mouseLocation;

#endregion

#region Public Methods

/// <summary>

/// 无参构造

/// </summary>

public frmAbout()

{

// 构建设计器控件

InitializeComponent();

for (int i = 0; i < 13; i++)

{

Label lbl = new Label();

lblTxt.Add(lbl);

lblTxt[i].Top = this.Height - 24;

lblTxt[i].Left = 24;

lblTxt[i].Visible = false;

lblTxt[i].BackColor = Color.Transparent;

lblTxt[i].ForeColor = Color.White;

lblTxt[i].AutoSize = true;

this.Controls.Add(lblTxt[i]);

}

lblTxt[0].Text = "产品名称: CMCSharpSDK";

lblTxt[1].Text = "产品全称: CodingMouse C# 开发工具包";

lblTxt[2].Text = "当前版本: 1.0.0.0";

lblTxt[3].Text = "";

lblTxt[4].Text = "程式设计: 邓超 (网络用名: CodingMouse)";

lblTxt[5].Text = "";

lblTxt[6].Text = " Qicq: 454811990";

lblTxt[7].Text = " E-mail: CodingMouse@gmail.com";

lblTxt[8].Text = " Blog: http://blog.csdn.net/CodingMouse";
lblTxt[9].Text = "";

lblTxt[10].Text = "测试环境: Microsoft Windows Server 2003 Enterprise Edition";

lblTxt[11].Text = " Microsoft Visual Studio 2005 Team Suite";

lblTxt[12].Text = " Microsoft SQL Server 2005 Enterprise Edition";

// 添加事件监听

lblTxt[7].Click += new EventHandler(frmAbout_Email_Click);

lblTxt[8].Click += new EventHandler(frmAbout_WebSite_Click);

lblTxt[7].MouseMove += new MouseEventHandler(frmAbout_Link_MouseMove);

lblTxt[8].MouseMove += new MouseEventHandler(frmAbout_Link_MouseMove);

lblTxt[7].MouseLeave += new EventHandler(frmAbout_Link_MouseLeave);

lblTxt[8].MouseLeave += new EventHandler(frmAbout_Link_MouseLeave);

lblScroll.Add(lblTxt[0]);

}

#endregion

#region Event Handlers

/// <summary>

/// 链接标签鼠标移动事件

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void frmAbout_Link_MouseMove(object sender, MouseEventArgs e)

{

Label currentLabel = (sender as Label);

currentLabel.ForeColor = Color.Yellow;

currentLabel.Cursor = Cursors.Hand;

}

/// <summary>

/// 链接标签鼠标移开事件

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void frmAbout_Link_MouseLeave(object sender, EventArgs e)

{

Label currentLabel = (sender as Label);

currentLabel.ForeColor = Color.White;

currentLabel.Cursor = Cursors.Default;

}

/// <summary>

/// [E-mail]滚动标签点击事件

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void frmAbout_Email_Click(object sender, EventArgs e)

{

Process.Start("mailto:CodingMouse@gmail.com");

}

/// <summary>

/// [Blog]滚动标签点击事件

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void frmAbout_WebSite_Click(object sender, EventArgs e)

{

Process.Start("http://blog.csdn.net/CodingMouse");

}

/// <summary>

/// 计时器事件(调度信息字幕显示)

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void tmrShow_Tick(object sender, EventArgs e)

{

// 控制字幕滚动

for (int i = 0; i < lblScroll.Count; i++)

{

lblScroll[i].Visible = true;

lblScroll[i].Top -= 1;

if (lblScroll[i] == lblTxt[(lblTxt.Count - 1)]

&& lblScroll[i].Top == this.Height - 84)

{

index = 0;

lblScroll.Add(lblTxt[0]);

}

if (lblScroll[i].Top < (lblTxt.Count - 1))

{

lblScroll[i].Visible = false;

lblScroll[i].Top = this.Height - (lblTxt.Count - 1) * 2;

lblScroll.RemoveAt(i);

}

}

if (index < (lblTxt.Count - 1))

{

if ((lblTxt[index].Top + lblTxt[index].Height) - lblTxt[index + 1].Top

== -(lblTxt.Count - 1))

{

lblScroll.Add(lblTxt[index + 1]);

index++;

}

}

}

/// <summary>

/// 窗体双击事件

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void frmAbout_DoubleClick(object sender, EventArgs e)

{

this.Close();

}

/// <summary>

/// 鼠标指针在窗体上方并按下按键事件

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void frmAbout_MouseDown(object sender, MouseEventArgs e)

{

// 仅响应鼠标左键点击事件

if (e.Button == MouseButtons.Left)

{

// 保存旧坐标

this._x = e.X;

this._y = e.Y;

// 标识窗体可移动

this.isMove = true;

}

}

/// <summary>

/// 鼠标指针在窗体上方并移动鼠标指针事件

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void frmAbout_MouseMove(object sender, MouseEventArgs e)

{

// 如果可移动

if (this.isMove)

{

// 根据旧坐标的相对偏移位置移动窗体

// 方法一：

// this.Left += e.X - this._x;

// this.Top += e.Y - this._y;

// 方法二：

this.SetDesktopLocation(this.Left + e.X - this._x, this.Top + e.Y - this._y);

}

// 保存鼠标指针坐标点

_mouseLocation = e.Location;

}

/// <summary>

/// 鼠标指针在窗体上方并释放按键事件

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void frmAbout_MouseUp(object sender, MouseEventArgs e)

{

// 标识窗体不可移动

this.isMove = false;

}

/// <summary>

/// 鼠标指针在窗体上移过并保持静止状态一段时间事件

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void frmAbout_MouseHover(object sender, EventArgs e)

{

this.toolTip.ToolTipIcon = ToolTipIcon.Info;

this.toolTip.ToolTipTitle = "关闭提示";

this.toolTip.Show(

"请双击鼠标键来关闭此窗体 ...",

this, new Point(_mouseLocation.X + 6, _mouseLocation.Y + 6),

5000);

}

#endregion

}

}

2008年12月22日
By CodingMouse