回答編集履歴
1
見直しキャンペーン中
answer
CHANGED
@@ -1,75 +1,75 @@
|
|
1
|
-
C#コード側から`DataInfo`のプロパティを変更する場合は、`DataInfo`に`INotifyPropertyChanged`を実装してください。
|
2
|
-
|
3
|
-
WPFにおいて`INotifyPropertyChanged`は最重要インターフェースです。
|
4
|
-
[INotifyPropertyChanged インターフェイス (System.ComponentModel) | Microsoft Docs](https://docs.microsoft.com/ja-jp/dotnet/api/system.componentmodel.inotifypropertychanged)
|
5
|
-
|
6
|
-
`vmDataInfo`の`get`・`set`でやっていることを、`SelectIndex`でもやるということです(逆に`vmDataInfo`でやる意味はないです)
|
7
|
-
|
8
|
-
```
|
9
|
-
using Livet;
|
10
|
-
using System.Collections.ObjectModel;
|
11
|
-
|
12
|
-
namespace Questions355938.ViewModels
|
13
|
-
{
|
14
|
-
public class DataInfo : ViewModel
|
15
|
-
{
|
16
|
-
private string _SelectIndex;
|
17
|
-
public string SelectIndex
|
18
|
-
{
|
19
|
-
get => _SelectIndex;
|
20
|
-
set
|
21
|
-
{
|
22
|
-
//if (_SelectIndex != value)
|
23
|
-
//{
|
24
|
-
// _SelectIndex = value;
|
25
|
-
// RaisePropertyChanged();
|
26
|
-
//}
|
27
|
-
// ↑の短縮形
|
28
|
-
RaisePropertyChangedIfSet(ref _SelectIndex, value);
|
29
|
-
}
|
30
|
-
}
|
31
|
-
|
32
|
-
public string ParamName { get; set; }
|
33
|
-
public int Param1 { get; set; }
|
34
|
-
public int Param2 { get; set; }
|
35
|
-
}
|
36
|
-
|
37
|
-
class MainWindowVM : ViewModel
|
38
|
-
{
|
39
|
-
public ObservableCollection<DataInfo> vmDataInfo { get; }
|
40
|
-
|
41
|
-
public MainWindowVM()
|
42
|
-
{
|
43
|
-
vmDataInfo = new ObservableCollection<DataInfo>
|
44
|
-
{
|
45
|
-
new DataInfo { ParamName = "Parameter 1", Param1 = 100, Param2 = 0 },
|
46
|
-
new DataInfo { ParamName = "Parameter 2", Param1 = 200, Param2 = 99 },
|
47
|
-
new DataInfo { ParamName = "Parameter 3", Param1 = 300, Param2 = 199 },
|
48
|
-
new DataInfo { ParamName = "Parameter 4", Param1 = 400, Param2 = 299 },
|
49
|
-
new DataInfo { ParamName = "Parameter 5", Param1 = 500, Param2 = 399 },
|
50
|
-
};
|
51
|
-
}
|
52
|
-
|
53
|
-
public void CurrentCellChanged(object sender)
|
54
|
-
{
|
55
|
-
if (sender is DataInfo info)
|
56
|
-
{
|
57
|
-
var selectIndex = 0;
|
58
|
-
foreach (var data in vmDataInfo)
|
59
|
-
{
|
60
|
-
if (info.ParamName == data.ParamName)
|
61
|
-
{
|
62
|
-
vmDataInfo[selectIndex].SelectIndex = "●";
|
63
|
-
}
|
64
|
-
else
|
65
|
-
{
|
66
|
-
vmDataInfo[selectIndex].SelectIndex = "";
|
67
|
-
}
|
68
|
-
|
69
|
-
selectIndex++;
|
70
|
-
}
|
71
|
-
}
|
72
|
-
}
|
73
|
-
}
|
74
|
-
}
|
1
|
+
C#コード側から`DataInfo`のプロパティを変更する場合は、`DataInfo`に`INotifyPropertyChanged`を実装してください。
|
2
|
+
|
3
|
+
WPFにおいて`INotifyPropertyChanged`は最重要インターフェースです。
|
4
|
+
[INotifyPropertyChanged インターフェイス (System.ComponentModel) | Microsoft Docs](https://docs.microsoft.com/ja-jp/dotnet/api/system.componentmodel.inotifypropertychanged)
|
5
|
+
|
6
|
+
`vmDataInfo`の`get`・`set`でやっていることを、`SelectIndex`でもやるということです(逆に`vmDataInfo`でやる意味はないです)
|
7
|
+
|
8
|
+
```cs
|
9
|
+
using Livet;
|
10
|
+
using System.Collections.ObjectModel;
|
11
|
+
|
12
|
+
namespace Questions355938.ViewModels
|
13
|
+
{
|
14
|
+
public class DataInfo : ViewModel
|
15
|
+
{
|
16
|
+
private string _SelectIndex;
|
17
|
+
public string SelectIndex
|
18
|
+
{
|
19
|
+
get => _SelectIndex;
|
20
|
+
set
|
21
|
+
{
|
22
|
+
//if (_SelectIndex != value)
|
23
|
+
//{
|
24
|
+
// _SelectIndex = value;
|
25
|
+
// RaisePropertyChanged();
|
26
|
+
//}
|
27
|
+
// ↑の短縮形
|
28
|
+
RaisePropertyChangedIfSet(ref _SelectIndex, value);
|
29
|
+
}
|
30
|
+
}
|
31
|
+
|
32
|
+
public string ParamName { get; set; }
|
33
|
+
public int Param1 { get; set; }
|
34
|
+
public int Param2 { get; set; }
|
35
|
+
}
|
36
|
+
|
37
|
+
class MainWindowVM : ViewModel
|
38
|
+
{
|
39
|
+
public ObservableCollection<DataInfo> vmDataInfo { get; }
|
40
|
+
|
41
|
+
public MainWindowVM()
|
42
|
+
{
|
43
|
+
vmDataInfo = new ObservableCollection<DataInfo>
|
44
|
+
{
|
45
|
+
new DataInfo { ParamName = "Parameter 1", Param1 = 100, Param2 = 0 },
|
46
|
+
new DataInfo { ParamName = "Parameter 2", Param1 = 200, Param2 = 99 },
|
47
|
+
new DataInfo { ParamName = "Parameter 3", Param1 = 300, Param2 = 199 },
|
48
|
+
new DataInfo { ParamName = "Parameter 4", Param1 = 400, Param2 = 299 },
|
49
|
+
new DataInfo { ParamName = "Parameter 5", Param1 = 500, Param2 = 399 },
|
50
|
+
};
|
51
|
+
}
|
52
|
+
|
53
|
+
public void CurrentCellChanged(object sender)
|
54
|
+
{
|
55
|
+
if (sender is DataInfo info)
|
56
|
+
{
|
57
|
+
var selectIndex = 0;
|
58
|
+
foreach (var data in vmDataInfo)
|
59
|
+
{
|
60
|
+
if (info.ParamName == data.ParamName)
|
61
|
+
{
|
62
|
+
vmDataInfo[selectIndex].SelectIndex = "●";
|
63
|
+
}
|
64
|
+
else
|
65
|
+
{
|
66
|
+
vmDataInfo[selectIndex].SelectIndex = "";
|
67
|
+
}
|
68
|
+
|
69
|
+
selectIndex++;
|
70
|
+
}
|
71
|
+
}
|
72
|
+
}
|
73
|
+
}
|
74
|
+
}
|
75
75
|
```
|