网上的那个很早以前就发布出来了...觉得很不好用
是用系统api做的
我改了下.思路大体上还是差不多
窗口改变位置时改变一下停靠类型
然后时钟事件判断鼠标是否在窗口内.如果窗口隐藏且鼠标在窗体中,则显示,反之则隐藏
具体看代码吧.不是很完美(没有更好的去做时钟的停止启动优化)....反正功能是实现了
using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.Data; using System.Text; using System.Windows.Forms; using System.Runtime.InteropServices; namespace AutoDockWindow { public partial class AutoDockManager : UserControl { private Form _form; private int _timerInterval = 250; public AutoDockManager() { InitializeComponent(); } public AutoDockManager(IContainer container) { container.Add(this); this.Hide(); InitializeComponent(); } [Description("Timer控件的事件间隔 小于100不启动")] public int TimerInterval { get { return _timerInterval; } set { _timerInterval = value; //dockWindow.TimerInterval = value; if (_form != null && Convert.ToInt32(_timerInterval) > 100) { if (_form.TopMost == false) _form.TopMost = true; if (DesignMode) return; nativeDockWindow dockWindow = new nativeDockWindow(_timerInterval); dockWindow.AssignHandle(_form.Handle); } } } [Description("用于控制要自动Dock的窗体")] public Form dockForm { get { return _form; } set { _form = value; } } } public class nativeDockWindow : NativeWindow { IntPtr handle = IntPtr.Zero; Form baseForm = null; Timer checkTimer = new Timer(); //定时器 private int _timerInterval; public nativeDockWindow(int timerInterval) { _timerInterval = timerInterval; } /// <summary> /// 贴边设置 /// </summary> internal AnchorStyles StopAanhor = AnchorStyles.None; protected override void OnHandleChange() { handle = this.Handle; if (handle != IntPtr.Zero) { baseForm = (Form)Form.FromHandle(handle); checkTimer.Interval = _timerInterval; checkTimer.Tick += new EventHandler(checkTimer_Tick); checkTimer.Start(); baseForm.LocationChanged += new System.EventHandler(BaseForm_LocationChanged);//给baseForm中的事件注册方法 baseForm.SizeChanged += new System.EventHandler(BaseForm_SizeChanged);//给baseForm中的事件注册方法 //baseForm.Deactivate += new System.EventHandler(BaseForm_Deactivate);//给baseForm中的事件注册方法 } base.OnHandleChange(); } private void BaseForm_LocationChanged(object sender, EventArgs e) { this.mStopAnthor(); } //private void BaseForm_Deactivate(object sender, EventArgs e) //{ // checkTimer.Start(); //} private FormWindowState lastWindowState = FormWindowState.Normal; private void BaseForm_SizeChanged(object sender, EventArgs e) { if (baseForm.WindowState == FormWindowState.Minimized) { NormalToMinimized(); checkTimer.Stop(); lastWindowState = FormWindowState.Minimized; } else if (baseForm.WindowState == FormWindowState.Maximized) { checkTimer.Stop(); lastWindowState = FormWindowState.Maximized; } else if (baseForm.WindowState == FormWindowState.Normal) { if (lastWindowState == FormWindowState.Minimized) { checkTimer.Stop(); } else { checkTimer.Start(); } lastWindowState = FormWindowState.Normal; } } private void checkTimer_Tick(object sender, EventArgs e) { //checkTimer.Stop(); //MessageBox.Show(_timerInterval.ToString()); //baseForm.Text = _timerInterval.ToString(); //_timerInterval += 1; if (baseForm.Bounds.Contains(Cursor.Position)) { //checkTimer.Start(); //鼠标进入时,如果是从收缩状态到显示状态则开启Timer this.FormShow(); } else { //checkTimer.Stop(); this.FormHide(); } } #region 窗口停靠位置计算 /// <summary> /// 窗口停靠位置计算 /// </summary> private void mStopAnthor() { if (baseForm.Top <= 0) { checkTimer.Stop(); StopAanhor = AnchorStyles.Top; checkTimer.Start(); //靠边则开始 } else if (baseForm.Left <= 0) { checkTimer.Stop(); StopAanhor = AnchorStyles.Left; checkTimer.Start(); //靠边则开始 } else if (baseForm.Left >= Screen.PrimaryScreen.Bounds.Width - baseForm.Width) { checkTimer.Stop(); StopAanhor = AnchorStyles.Right; checkTimer.Start(); //靠边则开始 } //else if (baseForm.Top + baseForm.Height >= Screen.PrimaryScreen.Bounds.Height) //{ // checkTimer.Stop(); // StopAanhor = AnchorStyles.Bottom; // checkTimer.Start(); //靠边则开始 //} else { checkTimer.Stop(); //不靠边则停止 StopAanhor = AnchorStyles.None; } } #endregion #region 窗口最小化到默认 /// <summary> /// 窗口最小化到默认 /// </summary> private void MinimizedToNormal() { //baseForm.Visible = true; baseForm.WindowState = FormWindowState.Normal; checkTimer.Start(); //notifyIcon1.Visible = false; } #endregion #region 窗口默认到最小化 /// <summary> /// 窗口默认到最小化 /// </summary> private void NormalToMinimized() { baseForm.WindowState = FormWindowState.Minimized; //baseForm.Visible = false; checkTimer.Stop(); } #endregion #region 窗体不贴边显示 /// <summary> /// 窗体不贴边显示 /// </summary> private void FormShow() { switch (this.StopAanhor) { case AnchorStyles.Top: baseForm.Location = new Point(baseForm.Location.X, 0); break; case AnchorStyles.Left: baseForm.Location = new Point(0, baseForm.Location.Y); break; case AnchorStyles.Right: baseForm.Location = new Point(Screen.PrimaryScreen.Bounds.Width - baseForm.Width, baseForm.Location.Y); break; //case AnchorStyles.Bottom: // baseForm.Location = new Point(baseForm.Location.X, baseForm.Location.Y - baseForm.Height); // break; } } #endregion #region 窗体贴边隐藏 /// <summary> /// 窗体贴边隐藏 /// </summary> private void FormHide() { switch (this.StopAanhor) { case AnchorStyles.Top: baseForm.Location = new Point(baseForm.Location.X, (baseForm.Height - 2) * (-1)); break; case AnchorStyles.Left: baseForm.Location = new Point((-1) * (baseForm.Width - 2), baseForm.Location.Y); break; case AnchorStyles.Right: baseForm.Location = new Point(Screen.PrimaryScreen.Bounds.Width - 2, baseForm.Location.Y); break; //case AnchorStyles.Bottom: // baseForm.Location = new Point(baseForm.Location.X, Screen.PrimaryScreen.Bounds.Height + baseForm.Height - 2); // break; } } #endregion } }