Изменения документа Dispose

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1	1	Реализация метода Dispose
2	2	[[https:~~/~~/learn.microsoft.com/ru-ru/dotnet/standard/garbage-collection/implementing-dispose>>https://learn.microsoft.com/ru-ru/dotnet/standard/garbage-collection/implementing-dispose]]
3		-
4		-----
5		-
6		-|(% style="width:465px" %)Отчистка неуправляемых и управляемых ресурсов|(% style="width:1030px" %){{code language="C#"}}class BaseClassWithFinalizer : IDisposable
7		-{
8		- // To detect redundant calls
9		- private bool _disposedValue;
10		-
11		- ~BaseClassWithFinalizer() => Dispose(false);
12		-
13		- // Public implementation of Dispose pattern callable by consumers.
14		- public void Dispose()
15		- {
16		- Dispose(true);
17		- GC.SuppressFinalize(this);
18		- }
19		-
20		- // Protected implementation of Dispose pattern.
21		- protected virtual void Dispose(bool disposing)
22		- {
23		- if (!_disposedValue)
24		- {
25		- if (disposing)
26		- {
27		- // TODO: dispose managed state (managed objects)
28		- }
29		-
30		- // TODO: free unmanaged resources (unmanaged objects) and override finalizer
31		- // TODO: set large fields to null
32		- _disposedValue = true;
33		- }
34		- }
35		-}{{/code}}
36		-|(% style="width:465px" %)Отчистка управляемых ресурсов
37		-(Соответственно не использует финализацию).|(% style="width:1030px" %){{code language="C#"}}public sealed class Foo : IDisposable
38		-{
39		- private readonly IDisposable _disposable1;
40		- private readonly IDisposable _disposable2;
41		-
42		- public Foo()
43		- {
44		- _disposable1 = new Bar();
45		- _disposable2 = new Bar();
46		- }
47		-
48		- public void Dispose()
49		- {
50		- _disposable1.Dispose();
51		- _disposable2.Dispose();
52		- }
53		-}{{/code}}
54		-|(% style="width:465px" %)Наследование. Отчистка неуправляемых и управляемых ресурсов.|(% style="width:1030px" %){{code language="C#"}}class DerivedClassWithFinalizer : BaseClassWithFinalizer
55		-{
56		- // To detect redundant calls
57		- private bool _disposedValue;
58		-
59		- ~DerivedClassWithFinalizer() => this.Dispose(false);
60		-
61		- // Protected implementation of Dispose pattern.
62		- protected override void Dispose(bool disposing)
63		- {
64		- if (!_disposedValue)
65		- {
66		- if (disposing)
67		- {
68		- // TODO: dispose managed state (managed objects).
69		- }
70		-
71		- // TODO: free unmanaged resources (unmanaged objects) and override a finalizer below.
72		- // TODO: set large fields to null.
73		- _disposedValue = true;
74		- }
75		-
76		- // Call the base class implementation.
77		- base.Dispose(disposing);
78		- }
79		-}{{/code}}