如何在处理表单后清除内存C＃ [英] How to clear memory after a form is disposed C#

问题描述

我有以下两种形式。



1.frmNewMain

2。 frmDetailReferrals



这里

表格＃1是一直打开的静态表格。

表格＃2是通过ShowDialog方法打开的模态表单。



表单＃1为表单＃2创建实例

Hi,
I am having two forms mentioned below.

1.frmNewMain
2.frmDetailReferrals

Here
Form #1 is the static form which is always opened.
Form #2 is a modal form which is opened via ShowDialog Method.

Form #1 creates instance for Form #2

 frmDetailReferrals frmDetail = 
                    new frmDetailReferrals(this, LastOpenedCaseID, "Medication");

 frmDetail.ShowDialog();

GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();

最初表格＃1为23 MB

表格50 MB



如何删除表格＃1以外的所有内存资源



提前致谢

Initially 23 MB for Form #1
After Second Form 50 MB

How to remove all memory resources other than Form #1

Thanks in advance

推荐答案

你不能。您无法控制内存分配：一旦将其分配给应用程序的框架，您就无法强制释放它。

您的代码甚至不会处理第二种形式：那里仍然是对它的引用，因此垃圾收集器不会对它做任何事情。



你不应该试图强迫GC：你为什么要这样做？这根本不正常......

You can't. You have no control over the memory allocation: once it's allocated to the framework for your application, you can't force anything to release it.
ANd your code doesn't even Dispose the second form: there is a still a reference to it, so the Garbage Collector will not do anything with it.

You should not be trying to force the GC anyway: why do you want to do this? It's not at all normal...

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