《深入浅出WPF》读书笔记.6binding系统(上)

背景

这一章是核心内容。databinding可以理解为实现逻辑层和展示层的桥梁。

binding基础

如何理解binding

<Window x:Class="BindingSysDemo.BindingSysDemo1"
        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"
        xmlns:local="clr-namespace:BindingSysDemo"
        mc:Ignorable="d"
        Title="BindingSysDemo1" Height="300" Width="400">
    <Grid>
        <Canvas>
            <TextBox Width="120" Canvas.Left="129" Canvas.Top="108" x:Name="tb1"></TextBox>
            <Button Content="点击一下" Width="120" Canvas.Left="129" Canvas.Top="142" Click="Button_Click"></Button>
        </Canvas>
    </Grid>
</Window>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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.Shapes;

namespace BindingSysDemo
{
    /// <summary>
    /// BindingSysDemo1.xaml 的交互逻辑
    /// </summary>
    public partial class BindingSysDemo1 : Window
    {
        Student student = null;
        public BindingSysDemo1()
        {
            InitializeComponent();
            //student = new Student();
            //Binding binding = new Binding();
            //binding.Source = student;
            //binding.Path = new PropertyPath("Name");

            //BindingOperations.SetBinding(this.tb1, TextBox.TextProperty, binding);
            this.tb1.SetBinding(TextBox.TextProperty, new Binding("Name") { Source = student = new Student() });
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            this.student.Name += "Name";
        }
    }
}

BindingOperations.SetBinding(this.tb1, TextBox.TextProperty, binding);

git代码👇

GitHub - wanghuayu-hub2021/WpfBookDemo: 深入浅出WPF的demo

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代码直接先给了，剩下的部分会之后进行总结，这本书所有的demo在学习完成后都会提交到上述git地址