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  • WPF Delegate委托整理

    那啥,是从这里整理出来的,感谢Rising_Sun,整理的过于简单,看不明白的戳这里

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Windows;
    using System.Windows.Controls;
    using System.Windows.Data;
    using System.Windows.Documents;
    using System.Windows.Input;
    using System.Windows.Media;
    using System.Windows.Media.Imaging;
    using System.Windows.Navigation;
    using System.Windows.Shapes;
    
    namespace Delegate委托
    {
        /// <summary>
        /// MainWindow.xaml 的交互逻辑
        /// </summary>
        public partial class MainWindow : Window
        {
            public MainWindow()
            {
                InitializeComponent();
            }
            delegate string SayMessage(string msg);
            static string SayHello(string Name)
            {
                return string.Format("Hello {0}", Name);
            }
            private void button1_Click(object sender, RoutedEventArgs e)
            {
                SayMessage say = new SayMessage(SayHello);
                textBlock1.Text = say("委托");
            }
    
            private void button2_Click(object sender, RoutedEventArgs e)
            {
                SayMessage say = delegate(string Name)
                {
                    return string.Format("Hello {0}", Name);
                };
                textBlock2.Text = say("匿名方法");
            }
    
            private void button3_Click(object sender, RoutedEventArgs e)
            {
                SayMessage say = (Name) =>
                {
                    return string.Format("Hello {0}", Name);
                };
                textBlock3.Text = say("Lambda");
            }
            private void button4_Click(object sender, RoutedEventArgs e)
            {
                Func<string, string> say1 = delegate(string Name)
                {
                    return string.Format("Hello {0}", Name);
                };
                //和Lambda 结合
                Func<string, string> say2 = (Name) =>
                {
                    return string.Format("Hello {0}", Name);
                };
                textBlock4.Text = say1("Func 委托") + say2("Func+Lambda 委托");
            }
            private void button5_Click(object sender, RoutedEventArgs e)
            {
                Action<string> say1 = delegate(string Name)
                {
                    textBlock5.Text = (string.Format("Hello {0}", Name));
                };
                //和Lambda 结合
                Action<string> say2 = (Name) =>
                {
                    textBlock5.Text += (string.Format("Hello {0}", Name));
                };
                say1("Action 委托");
                say2("Action+Lambda 委托");
            }
        }
    }

    下面那啥,不堪入目!没人看到没人看到没人看到。。。。。。

    <Window x:Class="Delegate委托.MainWindow"
            xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
            xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
            Title="MainWindow" Height="350" Width="525">
        <Grid>
            <Button Content="Button" Height="25" HorizontalAlignment="Left" Margin="34,12,0,0" Name="button1" VerticalAlignment="Top" Width="65" Click="button1_Click" />
            <TextBlock Height="25" HorizontalAlignment="Left" Margin="166,12,0,0" Name="textBlock1" Text="TextBlock" VerticalAlignment="Top" Width="160"/>
            <Button Content="Button" Height="26" HorizontalAlignment="Left" Margin="34,58,0,0" Name="button2" VerticalAlignment="Top" Width="65" Click="button2_Click" />
            <TextBlock Height="26" HorizontalAlignment="Left" Margin="165,58,0,0" Name="textBlock2" Text="TextBlock" VerticalAlignment="Top" Width="161" />
            <Button Content="Button" Height="26" HorizontalAlignment="Left" Margin="34,108,0,0" Name="button3" VerticalAlignment="Top" Width="65" Click="button3_Click" />
            <TextBlock Height="26" HorizontalAlignment="Left" Margin="165,108,0,0" Name="textBlock3" Text="TextBlock" VerticalAlignment="Top" Width="161" TextWrapping="Wrap"/>
            <Button Content="Button" Height="26" HorizontalAlignment="Left" Margin="34,158,0,0" Name="button4" VerticalAlignment="Top" Width="65" Click="button4_Click" />
            <TextBlock Height="26" HorizontalAlignment="Left" Margin="165,158,0,0" Name="textBlock4" Text="TextBlock" VerticalAlignment="Top" Width="161" TextWrapping="Wrap" />
            <Button Content="Button" Height="26" HorizontalAlignment="Left" Margin="34,208,0,0" Name="button5" VerticalAlignment="Top" Width="65" Click="button5_Click" />
            <TextBlock Height="26" HorizontalAlignment="Left" Margin="165,208,0,0" Name="textBlock5" Text="TextBlock" VerticalAlignment="Top" Width="161" TextWrapping="Wrap"/>
    
        </Grid>
    </Window>


    咳咳,反正是自己看的

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  • 原文地址:https://www.cnblogs.com/Events/p/3449873.html
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