wpf binding例子
界面代码:
/// <summary>
/// 此绑定 绑定源非控件,而是C#对象
/// </summary>
public partial class Windows_Binding2 : Window
{
public Student binding2ViewModel { get; set; }=new Student();//
public Windows_Binding2()
{
InitializeComponent();
this.DataContext = binding2ViewModel;//
binding2ViewModel.Name = "John";
binding2ViewModel.Age = 6;
}
private void Button_Click(object sender, RoutedEventArgs e)
{
binding2ViewModel.Name += "A";
binding2ViewModel.Age += 2;
}
}
后台C#代码:
/// <summary>
/// 此绑定 绑定源非控件,而是C#对象
/// </summary>
public partial class Windows_Binding2 : Window
{
public Student binding2ViewModel { get; set; }=new Student();//
public Windows_Binding2()
{
InitializeComponent();
this.DataContext = binding2ViewModel;//
binding2ViewModel.Name = "John";
binding2ViewModel.Age = 6;
}
private void Button_Click(object sender, RoutedEventArgs e)
{
binding2ViewModel.Name += "A";
binding2ViewModel.Age += 2;
}
}
//ViewModel
public class Student: INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
public int ID { get; set; }
private string _name;
public string Name
{
get { return _name; }
set
{
_name = value;
if(this.PropertyChanged !=null)
{
PropertyChanged.Invoke(this, new PropertyChangedEventArgs("Name"));
}
}
}
private int _age;
public int Age
{
get=> _age;
set
{
_age = value;
if (this.PropertyChanged != null)
{
PropertyChanged.Invoke(this, new PropertyChangedEventArgs("Age"));
}
}
}
}
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