C#实现窗体靠近屏幕边界自动隐藏

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;

namespace BounHide
{
public partial class hide : Form
{
public hide()
{
InitializeComponent();
}
/// <summary>
/// 定义了窗体隐藏、出现的事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timer1_Tick(object sender, EventArgs e)
{
if (this.Bounds.Contains(Cursor.Position))
{
switch (this.StopAanhor)
{
case AnchorStyles.Top:
//窗体在最上方隐藏时，鼠标接触自动出现
this.Location = new Point(this.Location.X,0) ;
break;
//窗体在最左方隐藏时，鼠标接触自动出现
case AnchorStyles.Left:
this.Location = new Point(0, this.Location.Y);
break;
//窗体在最右方隐藏时，鼠标接触自动出现
case AnchorStyles.Right:
this.Location = new Point(Screen.PrimaryScreen.Bounds.Width - this.Width, this.Location.Y);
break;
}
}
else
{
//窗体隐藏时在靠近边界的一侧边会出现2像素原因：感应鼠标，同时2像素不会影响用户视线
switch (this.StopAanhor)
{
//窗体在顶部时时，隐藏在顶部，底部边界出现2像素
case AnchorStyles.Top:
this.Location = new Point(this.Location.X,(this.Height-2)*(-1));
break;
//窗体在最左边时时，隐藏在左边，右边边界出现2像素
case AnchorStyles.Left:
this.Location = new Point((-1)*(this.Width-2),this.Location.Y);
break;
//窗体在最右边时时，隐藏在右边，左边边界出现2像素
case AnchorStyles.Right:
this.Location = new Point(Screen.PrimaryScreen.Bounds.Width - 2, this.Location.Y);
break;
}
}
}
internal AnchorStyles StopAanhor = AnchorStyles.None;
/// <summary>
/// 固定了窗体位置的类型
/// </summary>
private void mStopAnhor()
{
if (this.Top <= 0)
{
StopAanhor = AnchorStyles.Top;
}
else if (this.Left <= 0)
{
StopAanhor = AnchorStyles.Left;
}
else if (this.Left >= Screen.PrimaryScreen.Bounds.Width - this.Width)
{
StopAanhor = AnchorStyles.Right;
}
else
{
StopAanhor = AnchorStyles.None;
}
}
private void hide_LocationChanged(object sender, EventArgs e)
{
this.mStopAnhor();
}

private void hide_Load(object sender, EventArgs e)
{
this.timer1.Start();
}
}
}