1.加notifyicon控件notifyIcon1，为控件notifyIcon1的属性Icon添加一个icon图标。
this.ShowInTaskbar = false//不在任务栏中显示图标
2.加载form的SizeChanged事件.
3.加载notifyicon的单击事件:
view plaincopy to clipboardprint?#region 系统托盘 /// <summary> /// 单击任务栏图标显示或隐藏主面板 /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param> private void notifyIcon_Click(object sender, EventArgs e) { //已显示则让它显示在最上面 if (this.Visible) this.TopMost = true; else this.Visible = true; this.WindowState = FormWindowState.Normal; this.TopMost = false; } /// <summary> /// Handles the FormClosing event of the frmMain control. /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="System.Windows.Forms.FormClosingEventArgs"/> instance containing the event data.</param> private void frmMain_FormClosing(object sender, FormClosingEventArgs e) { //不是退出程序则到系统托盘 if (!isExited) { e.Cancel = true; this.Visible = false; } } /// <summary> /// 点击最小化时到系统托盘 /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param> private void frmMain_SizeChanged(object sender, EventArgs e) { if (this.WindowState == FormWindowState.Minimized) { this.Visible = false; } } #endregion #region 系统托盘 /// <summary> /// 单击任务栏图标显示或隐藏主面板 /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param> private void notifyIcon_Click(object sender, EventArgs e) { //已显示则让它显示在最上面 if (this.Visible) this.TopMost = true; else this.Visible = true; this.WindowState = FormWindowState.Normal; this.TopMost = false; }
/// <summary> /// Handles the FormClosing event of the frmMain control. /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="System.Windows.Forms.FormClosingEventArgs"/> instance containing the event data.</param> private void frmMain_FormClosing(object sender, FormClosingEventArgs e) { //不是退出程序则到系统托盘 if (!isExited) { e.Cancel = true; this.Visible = false; } }
/// <summary> /// 点击最小化时到系统托盘 /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param> private void frmMain_SizeChanged(object sender, EventArgs e) { if (this.WindowState == FormWindowState.Minimized) { this.Visible = false; } } #endregion
测试时发现上面的代码不稳定,达不到以下效果:
1.如果窗体没有打开,双击则打开显示在最前面.
2.如果窗体已经打开,但其它软件显示在最前面的时候,双击显示在最前面.
3.如果窗体已经显示在最前面,用鼠标单击此软件之外的region,则让其它窗体显示在最前面.
把代码时进行修改后如下
view plaincopy to clipboardprint?#region 系统托盘 /// <summary> /// 单击任务栏图标显示或隐藏主面板 /// </summary> private void notifyIcon_DoubleClick(object sender, EventArgs e) { //鼠标左键才有效 if (((MouseEventArgs)e).Button != MouseButtons.Left) return; if (!this.Visible) { this.Visible = true; } if (this.WindowState == FormWindowState.Minimized) { this.WindowState = FormWindowState.Normal; } this.Activate();//激活窗体 } /// <summary> /// 判断是否关闭程序 /// </summary> private void frmMain_FormClosing(object sender, FormClosingEventArgs e) { //不是退出程序则到系统托盘 if (!isExited) { e.Cancel = true; this.Visible = false; } } /// <summary> /// 点击最小化时到系统托盘 /// </summary> private void frmMain_SizeChanged(object sender, EventArgs e) { if (this.WindowState == FormWindowState.Minimized) { this.Visible = false; } } #endregion
本文来自博客，转载请标明出处：http://blog.csdn.net/gh_li/archive/2009/01/21/3846982.aspx
