4.WPF通知更改(INotifyPropertyChanged)_wpf inotifypropertychanged

INotifyPropertyChanged 接口

定义

命名空间:

System.ComponentModel

程序集:

System.ObjectModel.dll

通知客户端属性值已更改。

public interface INotifyPropertyChanged

以下为demo

<Window x:Class="_20INotifyPropertyChanged.MainWindow"
        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:_20INotifyPropertyChanged"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <TextBox Height="30" Width="288" Text="{Binding Name}"></TextBox>
        <Button Height="50" Width="288" Command="{Binding ShowCommand}"  Content="点击" Margin="256,283,256,102"></Button>
    </Grid>
</Window>