WinForm窗体屏幕边缘停靠(窗体靠边吸附代码)

1、方法一

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms; namespace WZDH{    public partial class Form1 : Form    {        internal AnchorStyles StopAanhor = AnchorStyles.None;        public Form1()        {            InitializeComponent();        }         /// <summary>        /// 初始化窗体信息        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void Form1_Load(object sender, EventArgs e)        {            //设置窗体左边距离主显示器位置            this.Width = 200;            this.Left = Screen.PrimaryScreen.Bounds.Width - this.Width;            //设置窗体顶边距离主显示器位置            this.Top = 0;                      //设置窗体宽度为主显示器宽度(不包括任务栏)            this.Height = Screen.PrimaryScreen.WorkingArea.Height;        }         /// <summary>        /// 淡入加载窗体        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void timer1_Tick(object sender, EventArgs e)        {            this.Opacity += 0.1;            if (this.Opacity >= 1)                this.timer1.Enabled = false;        }         /// <summary>        /// 退出程序菜单        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void tsmiExit_Click(object sender, EventArgs e)        {            Application.Exit();        }         /// <summary>        /// 当窗体的位置改变时发生        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void Form1_LocationChanged(object sender, EventArgs e)        {            mStopAnhor();        }         private void timer2_Tick(object sender, EventArgs e)        {            //如果鼠标在窗体上，则根据停靠位置显示整个窗体            if (this.Bounds.Contains(Cursor.Position))            {                switch (this.StopAanhor)                {                    case AnchorStyles.Top:                        this.Location = new Point(this.Location.X, 0);                        break;                    case AnchorStyles.Bottom:                        this.Location = new Point(this.Location.X, Screen.PrimaryScreen.Bounds.Height - this.Height);                        break;                    case AnchorStyles.Left:                        this.Location = new Point(0, this.Location.Y);                        break;                    case AnchorStyles.Right:                        this.Location = new Point(Screen.PrimaryScreen.Bounds.Width - this.Width, this.Location.Y);                        break;                }            }            else  //如果鼠标离开窗体，则根据停靠位置隐藏窗体，但须留出部分窗体边缘以便鼠标选中窗体            {                switch (this.StopAanhor)                {                    case AnchorStyles.Top:                        this.Location = new Point(this.Location.X, (this.Height - 3) * (-1));                        break;                    case AnchorStyles.Bottom:                        this.Location = new Point(this.Location.X, Screen.PrimaryScreen.Bounds.Height - 5);                        break;                    case AnchorStyles.Left:                        this.Location = new Point((-1) * (this.Width - 3), this.Location.Y);                        break;                    case AnchorStyles.Right:                        this.Location = new Point(Screen.PrimaryScreen.Bounds.Width - 2, this.Location.Y);                        break;                }            }        }                 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;            }        }     }}

1、方法二

#region //仿QQ窗体靠边吸附功能        private void Form1_Load(object sender, EventArgs e)        {            Timer StopRectTimer = new Timer();            StopRectTimer.Tick += new EventHandler(timer1_Tick);            StopRectTimer.Interval = 100;            StopRectTimer.Enabled = true;        }        internal AnchorStyles StopAanhor = AnchorStyles.None;        private void timer1_Tick(object sender, EventArgs e)        {            if (this.Bounds.Contains(Cursor.Position))            {                switch (this.StopAanhor)                {                    case AnchorStyles.Top:                        this.Location = new Point(this.Location.X, 0);                        break;                    case AnchorStyles.Left:                        this.Location = new Point(0, this.Location.Y);                        break;                    case AnchorStyles.Right:                        this.Location = new Point(Screen.PrimaryScreen.Bounds.Width - this.Width, this.Location.Y);                        break;                }            }            else            {                switch (this.StopAanhor)                {                    case AnchorStyles.Top:                        this.Location = new Point(this.Location.X, (this.Height - 2) * (-1));                        break;                    case AnchorStyles.Left:                        this.Location = new Point((-1) * (this.Width - 2), this.Location.Y);                        break;                    case AnchorStyles.Right:                        this.Location = new Point(Screen.PrimaryScreen.Bounds.Width - 2, this.Location.Y);                        break;                }            }        }        private void mStopAnthor()        {            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 Form1_LocationChanged(object sender, EventArgs e)        {            this.mStopAnthor();        }        #endregion