在WPF中实现带CheckBox的ComboBox控件,让ComboBox控件可以支持多选. 将ComboBox的ItemsSource属性Binding到一个Book的集合, public class Book { public string Name { get; set; } } <ComboBox ItemsSource="{Binding Path=Books}"> <ComboBox.ItemTemplate> <DataTemplate Da
先写一个数据类Grade.cs using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Collections.ObjectModel; namespace ImgProWPF { public class Grade { public string Name { set; get; } } pu
1.TreeView选择事件执行两次 Very often, we need to execute some code in SelectedItemChanged depending on the selected TreeViewItem. ButSelectedItemChanged is called twice. This is due to stealing focus from the main window, which is screwing something up. Wha