MultiSelectComboBox(二)

最新推荐文章于 2024-06-22 13:51:39 发布

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最新推荐文章于 2024-06-22 13:51:39 发布

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原文链接：http://www.cnblogs.com/zisezhixin/p/4106907.html

本文介绍了一个使用WPF实现的多选组合框示例应用，通过MainWindow.xaml文件定义了用户界面，并通过MainWindowViewModel.cs文件实现了业务逻辑。该应用能够从一个包含多个城市的字典中选择多个项，并在选择后显示所选城市。

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1. MainWindow.xaml

2. MainWindowViewModel.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;

namespace MultiSelectDemo
{
public class MainWindowViewModel: NotificationObject
{

private Dictionary<string, object> _items;
private Dictionary<string, object> _selectedItems;

        public Dictionary<string, object> Items
        {
            get
            {
                return _items;
            }
            set
            {
                _items = value;
                NotifyPropertyChanged("Items");
            }
        }

        public Dictionary<string, object> SelectedItems
        {
            get
            {
                return _selectedItems;
            }
            set
            {
                _selectedItems = value;
                NotifyPropertyChanged("SelectedItems");
            }
        }

        public MainWindowViewModel()
        {
            Items = new Dictionary<string, object>();
            Items.Add("Chennai", "MAS");
            Items.Add("Trichy", "TPJ");
            Items.Add("Bangalore", "SBC");
            Items.Add("Coimbatore", "CBE");

            SelectedItems = new Dictionary<string, object>();
            SelectedItems.Add("Chennai", "MAS");
            SelectedItems.Add("Trichy", "TPJ");
        }

        private void Submit()
        {
            foreach (KeyValuePair<string, object> s in SelectedItems)
                MessageBox.Show(s.Key);
        }

}

转载于:https://www.cnblogs.com/zisezhixin/p/4106907.html