我一直在尝试制作一个看起来像这样的 TreeView
2001(根)
-Student1(节点)
-Student2(节点)
我尝试过使用分层数据模板,但我仍然没有掌握我需要什么。这是我想要将 TreeView 绑定(bind)到的代码。任何有关 Xaml 的帮助将不胜感激。
我认为它看起来像
<TreeView ItemsSource="{Binding CurrentClass}">
<TreeView.Resources>
<HierarchicalDataTemplate DataType="{x:Type local:Student}" ItemsSource="{Binding CurrentClass.Students}">
<TextBlock Text="{Binding CurrentClass.Students/FirstName}" />
</HierarchicalDataTemplate>
</TreeView.Resources>
</TreeView>
public class ViewModel
{
public FreshmenClass currentClass = new FreshmenClass();
public ViewModel()
{
currentClass.Year = "2001";
currentClass.Students.Add(new Student("Student1", "LastName1"));
currentClass.Students.Add(new Student("Student2", "LastName2"));
}
public FreshmenClass CurrentClass
{
get { return currentClass; }
}
}
public class FreshmenClass
{
public string Year { get; set; }
public List<Student> students = new List<Student>();
public List<Student> Students
{
get { return students; }
set { students = value; }
}
}
public class Student
{
public string FirstName { get; set; }
public string LastName { get; set; }
public Student(string firstName, string lastName)
{
FirstName = firstName;
LastName = lastName;
}
}
最佳答案
查看有关 Treeview 和 HierarchicalDataTemplate 的文档。无论如何,我像这样编辑你的示例(XAML):
<TreeView ItemsSource="{Binding CurrentClass}" >
<TreeView.ItemTemplate>
<HierarchicalDataTemplate ItemsSource="{Binding Students}">
<TextBlock Text="{Binding Year}" />
<HierarchicalDataTemplate.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding FirstName}"> </TextBlock>
</DataTemplate>
</HierarchicalDataTemplate.ItemTemplate>
</HierarchicalDataTemplate>
</TreeView.ItemTemplate>
</TreeView>
和 C#:
public class ViewModel
{
private List<FreshmenClass> currentClass;
public ViewModel()
{
CurrentClass = new List<FreshmenClass>();
FreshmenClass temp = new FreshmenClass();
temp.Year = "2001";
temp.Students.Add(new Student("Student1", "LastName1"));
temp.Students.Add(new Student("Student2", "LastName2"));
CurrentClass.Add(temp);
}
public List<FreshmenClass> CurrentClass
{
get { return currentClass; }
set { currentClass = value; }
}
}
ItemsSource 属性是一个 IEnumerable。
关于c# - 创建 TreeView 绑定(bind) wpf,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/12611324/