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
|
//------------------------------------------------------------------------------
// <copyright file="DataColumnChangeEvent.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
// <owner current="true" primary="false">Microsoft</owner>
// <owner current="false" primary="false">Microsoft</owner>
//------------------------------------------------------------------------------
namespace System.Data {
using System;
/// <devdoc>
/// <para>
/// Provides data for the <see cref='System.Data.DataTable.ColumnChanging'/> event.
/// </para>
/// </devdoc>
public class DataColumnChangeEventArgs : EventArgs {
private readonly DataRow _row;
private DataColumn _column;
private object _proposedValue;
internal DataColumnChangeEventArgs(DataRow row) {
_row = row;
}
/// <devdoc>
/// <para>
/// Initializes a new instance of the <see cref='System.Data.DataColumnChangeEventArgs'/> class.
/// </para>
/// </devdoc>
public DataColumnChangeEventArgs(DataRow row, DataColumn column, object value) {
_row = row;
_column = column;
_proposedValue = value;
}
/// <devdoc>
/// <para>Gets the column whose value is changing.</para>
/// </devdoc>
public DataColumn Column {
get {
return _column;
}
}
/// <devdoc>
/// <para>Gets the row whose value is changing.</para>
/// </devdoc>
public DataRow Row {
get {
return _row;
}
}
/// <devdoc>
/// <para>Gets or sets the proposed value.</para>
/// </devdoc>
public object ProposedValue {
get {
return _proposedValue;
}
set {
_proposedValue = value;
}
}
internal void InitializeColumnChangeEvent(DataColumn column, object value) {
_column = column;
_proposedValue = value;
}
}
}
|
