ShrlAlgoToolkit/MelskinTest/DataModel/DataGridItem.cs

using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Windows.Documents;
using System.Windows.Input;

using CommunityToolkit.Mvvm.Input;


namespace MelskinTest.DataModel
{
    public enum Gender
    {
        Male,
        Female,
        Other
    }
    public class DataGridItem
    {
        public int Id { get; set; }
        public string Name { get; set; } = "";

        public int Age { get; set; }
        public bool Mark { get; set; }
        public Gender Gender { get; set; }
    }

    public class DataGridDemo
    {
        public DataGridDemo()
        {
            ShowSelectedItemsCommand = new RelayCommand(() =>
            {
                if (SelectedDataGridItems != null && SelectedDataGridItems.Count > 0)
                {
                    string names = string.Join(", ", SelectedDataGridItems.ConvertAll(item => item.Name));
                    System.Windows.MessageBox.Show($"选中项: {names}");
                }
                else
                {
                    System.Windows.MessageBox.Show("未选择项");
                }
            });
        }
        public ICommand ShowSelectedItemsCommand { get; }

        public List<DataGridItem> SelectedDataGridItems { get; set; } = new List<DataGridItem>();
        public DataGridItem SelectedDataGridItem { get; set; }

        public ObservableCollection<DataGridItem> DataCollection { get; set; } =
        [
            new DataGridItem
            {
                Id = 0,
                Name = "Symin",
                Age = 24,
                Mark = true,
                Gender = Gender.Other,
            },

            new DataGridItem
            {
                Id = 1,
                Name = "Mike",
                Age = 23,
                Mark = false,
                Gender = Gender.Male,
            },

            new DataGridItem
            {
                Id = 2,
                Name = "Alice",
                Age = 25,
                Mark = true,
                Gender = Gender.Female,
            },

            new DataGridItem
            {
                Id = 3,
                Name = "Bob",
                Age = 18,
                Mark = true,
                Gender = Gender.Male,
            }

        ];
    }
}