silverlight 利用poup和定时器写自动消失的框

概述新建自定义控件： <UserControl x:Class="EasySL.UI.Dialogs.PopupBorder" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns

新建自定义控件：

<UserControl x:Class="EasySL.UI.Dialogs.Popupborder"    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"    xmlns:d="http://schemas.microsoft.com/Expression/blend/2008"    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"    mc:Ignorable="d"    d:DesignHeight="300" d:DesignWIDth="400">    <UserControl.Resources>        <Storyboard x:name="myStoryboard">            <DoubleAnimation                Storyboard.Targetname="LayoutRoot"                Storyboard.TargetProperty="Opacity"                    From="1.0" To="0" Duration="0:0:1"                    autoReverse="True" />        </Storyboard>    </UserControl.Resources>    <GrID x:name="LayoutRoot" >        <!--<border Background="#FFCC0D0D" borderThickness="0" CornerRadius="5">-->        <border borderThickness="0" CornerRadius="5">            <border.Background>                <linearGradIEntBrush EndPoint="0.5,1" StartPoint="0.5,0">                    <GradIEntStop color="#FF27A3D7" Offset="0.51"/>                    <GradIEntStop color="#FF76C2E1" Offset="0.004"/>                    <GradIEntStop color="#FF27A3D7" Offset="1"/>                </linearGradIEntBrush>            </border.Background>            <border.Effect>                <DropShadowEffect BlurRadius="10" color="#FFCC0D0D" ShadowDepth="0"/>            </border.Effect>            <TextBlock x:name="txtMessage" HorizontalAlignment="Center" margin="10" VerticalAlignment="Center"                       FontSize="28" Foreground="White" FontFamily="Comic Sans MS"                       >This is a Simple Example</TextBlock>        </border>    </GrID></UserControl>

封装重构，新建MessageBoxHelper类：

using System;using System.Net;using System.windows;using System.windows.Controls;using System.windows.documents;using System.windows.Ink;using System.windows.input;using System.windows.Media;using System.windows.Media.Animation;using System.windows.Shapes;using System.windows.Controls.Primitives;using EasySL.UI.Dialogs;namespace EasySL.UI.Common{    public class MessageBoxHelper    {        #region 提示消息        /// <summary>        /// d出提示消息标题为提示，按钮为确定        /// </summary>        /// <param name="msg"></param>        public static voID ShowMessage(string msg)        {            //ShowFrIEndMessage(msg,"提示",MessageBoxbutton.OK);            Popupborder pborder = new Popupborder();            pborder.txtMessage.Text = " " + msg + " ";            pborder.UpdateLayout();            Popup popUp = new Popup();            popUp.Child = pborder;            pborder.myStoryboard.Completed += delegate            {                popUp.IsOpen = false;            };            pborder.myStoryboard.Begin();            popUp.InvokeOnLayoutUpdated(() =>            {                popUp.margin = new Thickness(                    (App.Current.Host.Content.ActualWIDth - pborder.ActualWIDth) / 2,(App.Current.Host.Content.ActualHeight - pborder.ActualHeight) / 2,0);                System.Threading.Timer timer = new System.Threading.Timer(                    (state) =>                    {                        popUp.dispatcher.BeginInvoke(() =>                        {                            popUp.IsOpen = false;                        });                    },null,500,500);            });            popUp.IsOpen = true;        }        /// <summary>        /// d出提示消息按钮为确定        /// </summary>        /// <param name="msg"></param>        public static voID ShowMessage(string msg,string Title)        {            ShowMessage(msg,Title,MessageBoxbutton.OK);        }        /// <summary>        /// d出提示消息        /// </summary>        /// <param name="msg"></param>        public static voID ShowMessage(string msg,string Title,MessageBoxbutton buttons)        {            MessageBox.Show(msg,buttons);        }        #endregion    }}

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