WinForm使用Prism和DryIoc实现跨窗体数据绑定-Toy模板网

这篇具有很好参考价值的文章主要介绍了WinForm使用Prism和DryIoc实现跨窗体数据绑定。希望对大家有所帮助。如果存在错误或未考虑完全的地方，请大家不吝赐教，您也可以点击"举报违法"按钮提交疑问。

WinForm数据绑定

使用Prism和DryIoc实现跨窗体数据绑定
开发环境: VS2022 .Net 6.0 WinForm界面程序
要求:

DryIoc容器注册为单例(Singleton)=>DryIoc
VM需要实现数据更改通知=>Prism
控件数据限幅要一样=>NumericUpDown

🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️
效果:

Form2修改Score时Form1立即同步更新
Form1修改Score时Form1立即同步更新
绑定是双向的,增加绑定后VM数据与界面数据自动同步

🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️🍇️文章来源地址https://www.toymoban.com/news/detail-687367.html

internal static class Program
{
    [NotNull]
    internal static DryIoc.Container?  Ioc { get; set; }
    [STAThread]
    static void Main()
    {
        ApplicationConfiguration.Initialize();
        Ioc = new DryIoc.Container();   
        Application.Run(new Form1());
        Ioc.Dispose();
    }
}
// Form1
public partial class Form1 : Form
{
    public Form1VM VM { get; set; }
    public Form1()
    {
        Program.Ioc.RegisterMany<Form1VM>(Reuse.Singleton);
        VM = Program.Ioc.Resolve<Form1VM>();
        VM.ScoreMin = 0.5M;

        num1.DataBindings.Add(new Binding("Value", VM, "ScoreMin", false, DataSourceUpdateMode.OnPropertyChanged));
    }
    private void btn_f2_Click(object sender, EventArgs e)
    {
        Form2 f2 = new Form2();
        f2.Show();
        // f2.Dispose();  // ShowDialog时使用
    }
}

// Form2
public partial class Form2 : Form
{
    public Form1VM VM { get; set; }
    public Form2()
    {
        InitializeComponent();
        VM = Program.Ioc.Resolve<Form1VM>();
    }

    private void Form2_Load(object sender, EventArgs e)
    {
        num1.DataBindings.Add(new Binding("Value", VM, "ScoreMin", false, DataSourceUpdateMode.OnPropertyChanged));
        this.TopMost = true;
    }
}


public class Form1VM : BindableBase, IVM
{
    private decimal _ScoreMin;
    public decimal ScoreMin
    {
        get
        {
            return _ScoreMin;
        }
        set
        {
            //var tmp = Math.Clamp(value, 0.3M, 1M);
            SetProperty(ref _ScoreMin, value); // Form2超限会引发异常
        }
    }
}