在屏幕右下方显示提示信息（winform窗体）（借鉴）

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace PrintDatas
{
public partial class FormMessageBox : Form
{
public FormMessageBox()
{
InitializeComponent();
}
/// <summary>
/// 枚举，描述消息窗口加载的形式
/// </summary>
public enum LoadMode
{        /// <summary>
/// 警告
/// </summary>
Warning,
/// <summary>
/// 错误
/// </summary>
Error,
/// <summary>
/// 提示
/// </summary>
Prompt
}

/// <summary>
/// 窗体加载模式
/// </summary>
private static LoadMode FormMode = LoadMode.Prompt;

/// <summary>
/// 显示的消息正文
/// </summary>
private static string ShowMessage = null;

/// <summary>
/// 关闭窗口的定时器
/// </summary>
private Timer Timer_Close = new Timer();

[DllImport("user32.dll")]
private static extern bool AnimateWindow(IntPtr hwnd, int dwTime, int dwFlags);   // 该函数可以实现窗体的动画效果

/// <summary>
/// 自左向右显示窗口。该标志可以在滚动动画和滑动动画中使用。当使用AW_CENTER标志时，该标志将被忽略
/// </summary>
public const Int32 AW_HOR_POSITIVE = 0x00000001;
/// <summary>
///  自右向左显示窗口。当使用了 AW_CENTER 标志时该标志被忽略
/// </summary>
public const Int32 AW_HOR_NEGATIVE = 0x00000002;
/// <summary>
/// 自顶向下显示窗口。该标志可以在滚动动画和滑动动画中使用。当使用AW_CENTER标志时，该标志将被忽略
/// </summary>
public const Int32 AW_VER_POSITIVE = 0x00000004;   //
/// <summary>
/// 自下向上显示窗口。该标志可以在滚动动画和滑动动画中使用。当使用AW_CENTER标志时，该标志将被忽略
/// </summary>
public const Int32 AW_VER_NEGATIVE = 0x00000008;   //
/// <summary>
/// 若使用了AW_HIDE标志，则使窗口向内重叠；若未使用AW_HIDE标志，则使窗口向外扩展
/// </summary>
public const Int32 AW_CENTER = 0x00000010;         //
/// <summary>
/// 隐藏窗口，缺省则显示窗口
/// </summary>
public const Int32 AW_HIDE = 0x00010000;           //
/// <summary>
/// 激活窗口。在使用了AW_HIDE标志后不要使用这个标志
/// </summary>
public const Int32 AW_ACTIVATE = 0x00020000;       //
/// <summary>
/// 使用滑动类型。缺省则为滚动动画类型。当使用AW_CENTER标志时，这个标志就被忽略
/// </summary>
public const Int32 AW_SLIDE = 0x00040000;          //
/// <summary>
/// 使用淡入效果。只有当hWnd为顶层窗口的时候才可以使用此标志
/// </summary>
public const Int32 AW_BLEND = 0x00080000;          //

/// <summary>
/// 构造方法
/// </summary>
/// <param name="loadMode">加载模式</param>
/// <param name="message">消息正文</param>

public static void Show(LoadMode loadMode, string message)
{
FormMode = loadMode;
ShowMessage = message;

FormMessageBox box = new FormMessageBox();
box.Show();
}

/// <summary>
/// 窗体加载事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FormMessageBox_Load(object sender, EventArgs e)
{
this.lblTitle.Text = "提示";
if (FormMode == LoadMode.Error)
{
this.lblTitle.Text = "错误";
//this.plShow.BackgroundImage = global::CommonApp.Properties.Resources.error;    // 更换背景
}
else if (FormMode == LoadMode.Warning)
{
this.lblTitle.Text = "警告";
//this.plShow.BackgroundImage = global::CommonApp.Properties.Resources.warning;  // 更换背景
}
else
{
//this.plShow.BackgroundImage = global::CommonApp.Properties.Resources.Prompt;   // 更换背景
}

this.lblMessage.Text = ShowMessage;

int width = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Width;
int height = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Height;
int top = height - 35 - this.Height;
int left = width - this.Width - 5;
this.Top = top;
this.Left = left;
this.TopMost = true;

AnimateWindow(this.Handle, 500, AW_SLIDE + AW_VER_NEGATIVE);//开始窗体动画

this.ShowInTaskbar = false;

Timer_Close.Interval = 4000;
Timer_Close.Tick += new EventHandler(Timer_Close_Tick);
Timer_Close.Start();
}

/// <summary>
/// 关闭窗口的定时器响应事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Timer_Close_Tick(object sender, EventArgs e)
{
Timer_Close.Stop();
this.Close();
}
/// <summary>
/// 窗口已经关闭
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FormMessageBox_FormClosed(object sender, FormClosedEventArgs e)
{
AnimateWindow(this.Handle, 1000, AW_SLIDE + AW_VER_POSITIVE + AW_HIDE);

Timer_Close.Stop();
Timer_Close.Dispose();
}

/// <summary>
/// 鼠标移动在消息框上
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void plShow_MouseMove(object sender, MouseEventArgs e)
{
this.Timer_Close.Stop();
}

/// <summary>
/// 鼠标移动离开消息框上
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void plShow_MouseLeave(object sender, EventArgs e)
{
this.Timer_Close.Start();
}

}
}