WPF 父子窗体间传值

废话不多说,上教程。🤩


WPF 父子窗体间传值
1.父 -> 子
1.1.父窗体.cs

public partial class MainWindow : Window{
public MainWindow()
{
InitializeComponent();
}
public void MainWindow_OnLoaded(object sender, RoutedEventArgs e){
ChildrenWindow children= new ChildrenWindow ();
children.value1= "父窗体传过来的值!!";
children.sendMessage = Recevie;
children.ShowDialog();
}
}

1.2.子窗体.cs

public partial class ChildrenWindow : Window{
public string value1 { get; set; } //接受父窗体传过来的值
public ChildrenWindow ()
{
InitializeComponent();
}
public void MainWindow_OnLoaded(object sender, RoutedEventArgs e){
TextBox.Text=value1;
}
}

2.子 -> 父
1.2.子窗体.cs

public partial class ChildrenWindow : Window{
//返回给父窗体
public delegate void SendMessage(string value);
public SendMessage sendMessage;
public ChildrenWindow ()
{
InitializeComponent();
}
public void MainWindow_OnLoaded(object sender, RoutedEventArgs e){
sendMessage("子窗体返回的值!!!");//返回给父窗体
}
}

2.2.父窗体.cs

public partial class MainWindow : Window{
//接受子窗体返回来的值
public void Recevie(string value) {
ResStr.Text = value;
}
public MainWindow()
{
InitializeComponent();
}
public void MainWindow_OnLoaded(object sender, RoutedEventArgs e){
ChildrenWindow children= new ChildrenWindow ();
children.sendMessage = Recevie;
children.ShowDialog();
}
}

到这里就🎉🎉🎉大功告成了!🎉🎉🎉 你学废了吗😀
posted @   浅·笑  阅读(166)  评论(0编辑  收藏  举报
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