实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace Hjw.Controls
{
/// <summary>
/// 一个类似于 MSN Popup 的任务消息通知器
/// </summary>
public class TaskNotifier : System.Windows.Forms.Form
{
#region Private Fields
private System.Windows.Forms.Label label1;
private System.Windows.Forms.ImageList imageList1;
private System.ComponentModel.IContainer components;
private System.Windows.Forms.Panel panel1;
private System.Windows.Forms.LinkLabel linkContent;
private TaskState m_TaskState = TaskState.Hidden;
private System.Drawing.Rectangle m_maxBound;
private System.Windows.Forms.Timer timer1;
private CallBackHandler callback = null;
private System.Object m_callbackTag = null;
private bool isMouseEnter = false;
private bool isMouseMove = false;
private System.Collections.Hashtable m_hashButtons = null;
private System.Object m_skinButtonName = null;
private UnSafeDiposeHandler m_unSafeDipose;
static private TaskNotifier objTaskNotifier = new TaskNotifier();
#endregion
#region Constructors
/// <summary>
/// new
/// </summary>
public TaskNotifier()
{
this.InitializeComponent();
this.timer1.Stop();
//初始化工作区大小
System.Drawing.Rectangle rect = System.Windows.Forms.Screen.GetWorkingArea( this );
this.m_maxBound = new System.Drawing.Rectangle( rect.Right - this.Width - 1, rect.Bottom - this.Height - 1, this.Width, this.Height );
}
#endregion
#region 控件自动生成的代码
/// <summary>
/// InitializeComponent
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(TaskNotifier));
this.label1 = new System.Windows.Forms.Label();
this.imageList1 = new System.Windows.Forms.ImageList(this.components);
this.panel1 = new System.Windows.Forms.Panel();
this.linkContent = new System.Windows.Forms.LinkLabel();
this.timer1 = new System.Windows.Forms.Timer(this.components);
this.SuspendLayout();
//
// label1
//
this.label1.ImageIndex = 0;
this.label1.ImageList = this.imageList1;
this.label1.Location = new System.Drawing.Point(322, 10);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(18, 18);
this.label1.TabIndex = 0;
this.label1.Click = new System.EventHandler(this.label1_Click);
this.label1.MouseEnter = new System.EventHandler(this.label1_MouseEnter);
this.label1.MouseLeave = new System.EventHandler(this.label1_MouseLeave);
//
// imageList1
//
this.imageList1.ImageSize = new System.Drawing.Size(18, 18);
this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
//
// panel1
//
this.panel1.BackColor = System.Drawing.Color.Transparent;
this.panel1.Location = new System.Drawing.Point(60, 51);
this.panel1.Name = "panel1";
this.panel1.Size = new System.Drawing.Size(270, 19);
this.panel1.TabIndex = 2;
//
// linkContent
//
this.linkContent.ActiveLinkColor = System.Drawing.Color.FromArgb(((System.Byte)(204)), ((System.Byte)(0)), ((System.Byte)(0)));
this.linkContent.BackColor = System.Drawing.Color.Transparent;
this.linkContent.Location = new System.Drawing.Point(60, 14);
this.linkContent.Name = "linkContent";
this.linkContent.Size = new System.Drawing.Size(254, 32);
this.linkContent.TabIndex = 3;
this.linkContent.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
this.linkContent.LinkClicked = new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.linkContent_LinkClicked);
//
// timer1
//
this.timer1.Enabled = true;
this.timer1.Tick = new System.EventHandler(this.timer1_Tick);
//
// TaskNotifier
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
this.ClientSize = new System.Drawing.Size(344, 74);
this.ControlBox = false;
this.Controls.Add(this.linkContent);
this.Controls.Add(this.panel1);
this.Controls.Add(this.label1);
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.MaximizeBox = false;
this.MinimizeBox = false;
this.Name = "TaskNotifier";
this.ShowInTaskbar = false;
this.TopMost = true;
this.MouseMove = new System.Windows.Forms.MouseEventHandler(this.TaskNotifier_MouseMove);
this.MouseEnter = new System.EventHandler(this.TaskNotifier_MouseEnter);
this.MouseLeave = new System.EventHandler(this.TaskNotifier_MouseLeave);
this.ResumeLayout(false);
}
#endregion
#region WinAPI
/// <summary>
/// 显示窗体
/// </summary>
/// <param name="hWnd"></param>
/// <param name="nCmdShow"></param>
/// <returns></returns>
[DllImport("user32.dll")]
private static extern Boolean ShowWindow( IntPtr hWnd, Int32 nCmdShow );
#endregion
#region Methods
/// <summary>
/// 返回此对象的单件实例
/// </summary>
/// <returns></returns>
static public TaskNotifier Instance()
{
return objTaskNotifier;
}
/// <summary>
/// 添加回传按钮列表
/// </summary>
/// <param name="name"></param>
/// <param name="controls"></param>
public void AddCallbackButton( System.Object name, System.Windows.Forms.Control[] controls )
{
if( name == null )
throw new ArgumentNullException( "Name" );
if ( controls == null )
throw new ArgumentNullException( "Controls" );
if( !this.CallBackButtons.Contains( name ) && controls.Length > 0 )
{
System.EventHandler evt = new EventHandler( this.callBackButton_Click );
foreach( System.Windows.Forms.Control callBackButton in controls )
{
callBackButton.Click = evt;
}
this.CallBackButtons.Add( name, controls );
}
}
/// <summary>
/// callBackButton_Click
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void callBackButton_Click(object sender, EventArgs e)
{
this.Hide();
}
/// <summary>
/// 当移至上面时改变时样式
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void label1_MouseEnter(object sender, System.EventArgs e)
{
this.label1.ImageIndex = 1;
}
/// <summary>
/// 当离开时还原其样式
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void label1_MouseLeave(object sender, System.EventArgs e)
{
this.label1.ImageIndex = 0;
}
/// <summary>
/// 单击事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void label1_Click(object sender, System.EventArgs e)
{
this.Hide();
}
/// <summary>
/// 在窗体内移动
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TaskNotifier_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
this.isMouseEnter = true;
this.isMouseMove = true;
}
/// <summary>
/// 进入此窗体
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TaskNotifier_MouseEnter(object sender, System.EventArgs e)
{
this.isMouseEnter = true;
this.isMouseMove = true;
}
/// <summary>
/// 离开此窗体
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TaskNotifier_MouseLeave(object sender, System.EventArgs e)
{
this.isMouseEnter = false;
this.isMouseMove = false;
}
/// <summary>
/// timer1_Tick
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timer1_Tick(object sender, System.EventArgs e)
{
switch( this.CurrentTaskState )
{
case TaskState.Visible:
this.timer1.Stop();
this.timer1.Interval = 100;
if( !( this.isMouseEnter && this.isMouseMove ) )
this.CurrentTaskState = TaskState.Disappearing;
this.timer1.Start();
break;
case TaskState.Appearing:
if( this.Height <= this.m_maxBound.Height - 12 )
this.SetBounds( this.m_maxBound.X, this.Top - 12, this.m_maxBound.Width, this.Height 12 );
else
{
this.timer1.Stop();
this.SetBounds( this.m_maxBound.X, this.m_maxBound.Y, this.m_maxBound.Width, this.m_maxBound.Height );
this.CurrentTaskState = TaskState.Visible;
this.timer1.Interval = 5000;
this.timer1.Start();
}
break;
case TaskState.Disappearing:
if ( this.isMouseEnter && this.isMouseMove )
this.CurrentTaskState = TaskState.Appearing;
else
{
if( this.Top <= this.m_maxBound.Bottom - 12 )
this.SetBounds( this.m_maxBound.X, this.Top 12, this.m_maxBound.Width, this.Height - 12 );
else
{
this.Hide();
this.OnUnSafeDispose( this.m_callbackTag );
}
}
break;
}
}
/// <summary>
/// 显示窗体
/// </summary>
/// <param name="str">要显示的内容</param>
public void Show( System.String str )
{
this.Show( "", str, null, null, null );
}
/// <summary>
/// 显示窗体
/// </summary>
/// <param name="str">要显示的内容</param>
/// <param name="tag">设置此Popup的相关数据对象</param>
/// <param name="callback">当单击显示的内容时的回调事件</param>
public void Show( System.String str, System.Object tag, CallBackHandler callback )
{
this.Show( "", str, tag, callback, null );
}
/// <summary>
/// 显示窗体
/// </summary>
/// <param name="skinButtonName">自定义按钮skin名称</param>
/// <param name="str">要显示的内容</param>
/// <param name="tag">设置此Popup的相关数据对象</param>
/// <param name="callback">当单击显示的内容时的回调事件</param>
/// <param name="unSafeDispose">当Popup自动关闭时引发的事件</param>
public void Show( System.Object skinButtonName, System.String str, System.Object tag, CallBackHandler callback, UnSafeDiposeHandler unSafeDispose )
{
if( this.CurrentSkinButtonName != skinButtonName )
{
this.CurrentSkinButtonName = skinButtonName;
this.panel1.Controls.Clear();
if( skinButtonName != null )
{
System.Windows.Forms.Control[] ctls = this.CallBackButtons[ skinButtonName ] as System.Windows.Forms.Control[];
if( ctls != null && ctls.Length > 0 )
{
System.Int32 width = 0;
foreach( System.Windows.Forms.Control ctl in ctls )
{
ctl.Location = new System.Drawing.Point( width, 0 );
width = ctl.Size.Width;
}
this.panel1.Controls.AddRange( ctls );
}
}
}
this.linkContent.Text = str;
switch( this.CurrentTaskState )
{
case TaskState.Hidden:
this.CurrentTaskState = TaskState.Appearing;
this.SetBounds( this.m_maxBound.X, this.m_maxBound.Y this.m_maxBound.Height, this.m_maxBound.Width, 0 );
ShowWindow( this.Handle, 4 );
this.timer1.Interval = 100;
this.timer1.Start();
break;
case TaskState.Visible:
this.timer1.Stop();
this.timer1.Interval = 5000;
this.timer1.Start();
this.OnUnSafeDispose( this.m_callbackTag );
break;
case TaskState.Disappearing:
this.timer1.Stop();
this.CurrentTaskState = TaskState.Visible;
this.SetBounds( this.m_maxBound.X, this.m_maxBound.Y, this.m_maxBound.Width, this.m_maxBound.Height );
this.timer1.Interval = 5000;
this.timer1.Start();
this.OnUnSafeDispose( this.m_callbackTag );
break;
case TaskState.Appearing:
this.OnUnSafeDispose( this.m_callbackTag );
break;
}
this.callback = callback;
this.m_callbackTag = tag;
//设置自定义回传按钮的 Tag 值
if ( this.panel1.Controls.Count > 0 && tag != null )
{
foreach ( System.Windows.Forms.Control child in this.panel1.Controls )
{
child.Tag = tag;
}
}
this.m_unSafeDipose = unSafeDispose;
}
/// <summary>
/// 隐藏
/// </summary>
public new void Hide()
{
if( this.CurrentTaskState != TaskState.Hidden )
{
this.timer1.Stop();
this.CurrentTaskState = TaskState.Hidden;
base.Hide();
}
}
/// <summary>
/// 单击超链接时发生的事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void linkContent_LinkClicked( object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e )
{
this.OnCallBack( this.m_callbackTag );
}
/// <summary>
/// 触发回传事件
/// </summary>
/// <param name="tag"></param>
protected virtual void OnCallBack( System.Object tag )
{
if ( this.callback != null )
{
this.Hide();
this.callback( tag );
}
}
/// <summary>
/// 引发
/// </summary>
/// <param name="tag"></param>
protected virtual void OnUnSafeDispose( System.Object tag )
{
if ( this.m_unSafeDipose != null )
this.m_unSafeDipose( tag );
}
#endregion
#region Properties
/// <summary>
/// 获取或设置当前的显示状态
/// </summary>
protected TaskState CurrentTaskState
{
get { return this.m_TaskState; }
set { this.m_TaskState = value; }
}
/// <summary>
/// 获取回传接钮列表
/// </summary>
private System.Collections.Hashtable CallBackButtons
{
get
{
if ( this.m_hashButtons == null )
this.m_hashButtons = new System.Collections.Hashtable();
return this.m_hashButtons;
}
}
/// <summary>
/// 获取或设置当前的回传按钮名称
/// </summary>
protected System.Object CurrentSkinButtonName
{
get { return this.m_skinButtonName; }
set { this.m_skinButtonName = value; }
}
#endregion
#region TaskState
/// <summary>
/// 定义一个任务通知器的状态枚举
/// </summary>
protected enum TaskState
{
/// <summary>
/// 隐藏
/// </summary>
Hidden = 100,
/// <summary>
/// 可视
/// </summary>
Visible = 200,
/// <summary>
/// 刚刚显示，但还没显示完全
/// </summary>
Appearing = 300,
/// <summary>
/// 即将消失
/// </summary>
Disappearing
}
#endregion
#region Delegates
/// <summary>
/// 定义一个回调委托
/// </summary>
public delegate void CallBackHandler( System.Object tag );
/// <summary>
/// 定义一个因非正常关闭Popup的事件委托
/// </summary>
public delegate void UnSafeDiposeHandler( System.Object tag );
#endregion
}
}
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