winform 托盤

//首先要設置notifyIcon屬性：Icon設置ico圖標，不然在系統托盤無圖標顯示
private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
{
    this.WindowState = FormWindowState.Normal;
    //若使用Hide()時，要用Show()方法顯示窗體
}

private void MainForm_Resize(object sender, EventArgs e)
{
    this.ShowInTaskbar = this.WindowState != FormWindowState.Minimized;//最小化時不在任務欄顯示
    //或者以下
    if (this.WindowState == FormWindowState.Minimized)   Hide();//最小時隱藏
}

//設置系統托盤右擊菜單拖控件ContextMenuStrip, 在notifyIcon的ContextMenuStrip屬性選擇此contextMenuStrip控件。contextMenuStrip可增長菜單項點擊事件