WPF 界面交互使用的提示框
本文共 1420 字，大约阅读时间需要 4 分钟。
DispatcherTimer timer_toast = new DispatcherTimer();
public static class Events {
public delegate void ToastEventHandler(string msg, int time); public static ToastEventHandler OnToast; public static ToastEventHandler OnToastMask; }public MainWindow() {
InitializeComponent();timer_toast.Interval = TimeSpan.FromMilliseconds(3000);
timer_toast.Tick += (sender1, e1) => { ui_toast.Dispatcher?.Invoke(() => { ui_toast.Visibility = Visibility.Hidden; }); timer_toast.Stop(); };Events.OnToast += (msg, time) => {
timer_toast.Stop(); if (msg.IsEmpty()) { ui_toast.Dispatcher?.Invoke(() => { ui_toast_text.Text = string.Empty; ui_toast_mask.Visibility = Visibility.Hidden; ui_toast.Visibility = Visibility.Hidden; ui_toast_text.TextAlignment = TextAlignment.Center; }); time = 1; } else { ui_toast.Dispatcher?.Invoke(() => { ui_toast_mask.Visibility = Visibility.Hidden; ui_toast.Visibility = Visibility.Visible; ui_toast_text.Text = msg; ui_toast_text.TextAlignment = TextAlignment.Center; }); } timer_toast.Interval = TimeSpan.FromMilliseconds(time); timer_toast.Start(); };Events.OnToastMask += (msg, time) => {
timer_toast.Stop(); ui_toast.Dispatcher?.Invoke(() => { ui_toast.Visibility = Visibility.Visible; ui_toast_mask.Visibility = Visibility.Visible; ui_toast_text.Text = msg; ui_toast_text.TextAlignment = TextAlignment.Center; }); timer_toast.Interval = TimeSpan.FromMilliseconds(time); timer_toast.Start(); }; }
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