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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Controls;
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using System.Windows.Documents;
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using System.Windows.Media;
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using System.Windows;
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namespace SlnMesnac.WPF.MessageTips
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{
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public static class Msg
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{
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private static MessageAdorner messageAdorner;
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/// <summary>
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/// 消息弹出
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/// </summary>
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/// <param name="message">消息内容</param>
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/// <param name="msgtype">消息类型;0正常，1警告，2错误</param>
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/// <param name="outTime">自动关闭时间。默认5秒</param>
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/// <exception cref="Exception"></exception>
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public static void MsgShow(string message, int msgtype, int outTime = 3)
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{
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try
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{
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Application.Current.Dispatcher.Invoke(() =>
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{
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if (messageAdorner != null && messageAdorner.IsLoaded)
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{
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messageAdorner.PushMessage(message, msgtype, outTime);
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return;
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}
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Window win = null;
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if (Application.Current.Windows.Count > 0)
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{
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win = Application.Current.Windows.OfType<Window>().FirstOrDefault(o => o.IsActive);
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if (win == null)
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win = Application.Current.Windows.OfType<Window>().First(o => o.IsActive);
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}
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var layer = GetAdornerLayer(win);
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if (layer == null)
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throw new Exception("not AdornerLayer is null");
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messageAdorner = new MessageAdorner(layer);
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layer.Add(messageAdorner);
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messageAdorner.PushMessage(message, msgtype, outTime);
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});
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}catch(Exception ex)
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{
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Console.WriteLine("MsgShow异常:"+ex.Message);
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}
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}
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static AdornerLayer GetAdornerLayer(Visual visual)
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{
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var decorator = visual as AdornerDecorator;
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if (decorator != null)
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return decorator.AdornerLayer;
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var presenter = visual as ScrollContentPresenter;
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if (presenter != null)
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return presenter.AdornerLayer;
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var visualContent = (visual as Window)?.Content as Visual;
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return AdornerLayer.GetAdornerLayer(visualContent ?? visual);
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}
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}
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}
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