1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
| using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using System.Collections.ObjectModel;
namespace WpfApp1 {
public partial class MainWindowViewModel : ObservableObject {
[ObservableProperty]
private ObservableCollection<Student> _students = new ObservableCollection<Student>();
[ObservableProperty]
private Student _selectedStudent = null;
[RelayCommand]
private void InsertLine(Object paramater) {
var newStudent = new Student() { Name = "XXX", Motto = "XXX" };
Students.Insert(Students.IndexOf(SelectedStudent), newStudent);
SelectedStudent = newStudent;
}
[RelayCommand]
private void DeleteLine(Object paramater) {
var res = Students.Remove(SelectedStudent);
SelectedStudent = null;
}
[RelayCommand]
private void Paste() {
MessageBox.Show("Paste");
}
public MainWindowViewModel() {
Students.Clear();
List<Hobby> hobbies = new List<Hobby>() {
new Hobby(){Name="跑步",Frequency=3,Address="江滩"},
new Hobby(){Name="散步",Frequency=5,Address="江滩"},
};
List<Hobby> hobbies2 = new List<Hobby>() {
new Hobby(){Name="瑜伽",Frequency=3,Address="江滩"},
new Hobby(){Name="健身",Frequency=5,Address="江滩"},
};
Students.Clear();
Students.Add(new Student(1, "小红", 32, "Hello World 1!") {
Hobbys = new ObservableCollection<Hobby>(hobbies),
});
Students.Add(new Student(2, "小宇", 32, "Hello World 2!") {
Hobbys = new ObservableCollection<Hobby>(hobbies),
});
Students.Add(new Student(3, "小明", 32, "Hello World 3!") {
Hobbys = new ObservableCollection<Hobby>(hobbies2),
});
Students.Add(new Student(4, "小亮", 32, "Hello World 4!") {
Hobbys = new ObservableCollection<Hobby>(hobbies2),
});
}
}
public partial class Student : ObservableObject {
public Student() { }
public Student(int id, string name, int age, string motto) {
Id = id;
Name = name;
Age = age;
Motto = motto;
}
[ObservableProperty]
private int _id;
[ObservableProperty]
private string _name;
[ObservableProperty]
private int _age;
[ObservableProperty]
private string _motto;
[ObservableProperty]
private ObservableCollection<Hobby> _hobbys = new ObservableCollection<Hobby>();
}
public partial class Hobby : ObservableObject {
[ObservableProperty]
private string _name;
[ObservableProperty]
private int _frequency;
[ObservableProperty]
private string _address;
}
}
|
