using System.ComponentModel; using HandyControl.Controls; using HandyControlDemo.Data; namespace HandyControlDemo { public partial class MainWindow { public MainWindow() { InitializeComponent(); } protected override void OnClosing(CancelEventArgs e) { if (GlobalData.NotifyIconIsShow) { MessageBox.Info(Properties.Langs.Lang.AppClosingTip, Properties.Langs.Lang.Tip); Hide(); e.Cancel = true; } else { base.OnClosing(e); } } } }