Winforms 我必须取消分配gcnew System:：EventHandler吗？

所以我在windows窗体中制作了我的第一个windows应用程序，我注意到当我连续多次按下按钮时，RAM的使用率会上升。我以为我有内存泄漏，我发现：

this->button_to_decompress->Click += gcnew System::EventHandler(this, &MyForm::button_to_decompress_Click);

我必须手动解除分配吗？如果是，我该怎么做

我的全部代码：

#pragma once
#include <msclr/marshal_cppstd.h>
#include "tree.h"

using namespace msclr::interop;

namespace CompressionTool {

    using namespace System;
    using namespace System::ComponentModel;
    using namespace System::Collections;
    using namespace System::Windows::Forms;
    using namespace System::Data;
    using namespace System::Drawing;
    using namespace System::IO;

    /// <summary>
    /// 
    /// </summary>
    public ref class MyForm : public System::Windows::Forms::Form
    {
    public:
        MyForm(void)
        {
            InitializeComponent();
        }

    protected:
        /// <summary>
        /// 
        /// </summary>
        ~MyForm()
        {
            if (components)
            {
                delete components;
            }
        }
    private: System::Windows::Forms::ProgressBar^ progressBar1;
    protected:
    private: System::Windows::Forms::Button^ button_to_compress;
    private: System::Windows::Forms::Button^ button_to_decompress;
    private: System::Windows::Forms::OpenFileDialog^ openFileDialog1;
    private: System::Windows::Forms::OpenFileDialog^ openFileDialog2;
    private: System::Windows::Forms::SaveFileDialog^ saveFileDialog1;
    private: System::Windows::Forms::SaveFileDialog^ saveFileDialog2;


    private:
        /// <summary>
        /// 
        /// </summary>
        System::ComponentModel::Container^ components;

#pragma region Windows Form Designer generated code
        /// <summary>
        /// 
        /// 
        /// </summary>
        void InitializeComponent(void)
        {
            this->progressBar1 = (gcnew System::Windows::Forms::ProgressBar());
            this->button_to_compress = (gcnew System::Windows::Forms::Button());
            this->button_to_decompress = (gcnew System::Windows::Forms::Button());
            this->openFileDialog1 = (gcnew System::Windows::Forms::OpenFileDialog());
            this->openFileDialog2 = (gcnew System::Windows::Forms::OpenFileDialog());
            this->saveFileDialog1 = (gcnew System::Windows::Forms::SaveFileDialog());
            this->saveFileDialog2 = (gcnew System::Windows::Forms::SaveFileDialog());
            this->SuspendLayout();
            // 
            // progressBar1
            // 
            this->progressBar1->Location = System::Drawing::Point(12, 144);
            this->progressBar1->Margin = System::Windows::Forms::Padding(3, 2, 3, 2);
            this->progressBar1->MarqueeAnimationSpeed = 20;
            this->progressBar1->Name = L"progressBar1";
            this->progressBar1->Size = System::Drawing::Size(557, 60);
            this->progressBar1->Style = System::Windows::Forms::ProgressBarStyle::Marquee;
            this->progressBar1->TabIndex = 0;
            this->progressBar1->Value = 100;
            // 
            // button_to_compress
            // 
            this->button_to_compress->Location = System::Drawing::Point(12, 12);
            this->button_to_compress->Margin = System::Windows::Forms::Padding(3, 2, 3, 2);
            this->button_to_compress->Name = L"button_to_compress";
            this->button_to_compress->Size = System::Drawing::Size(131, 60);
            this->button_to_compress->TabIndex = 1;
            this->button_to_compress->Text = L"Compress file";
            this->button_to_compress->UseVisualStyleBackColor = true;
            this->button_to_compress->Click += gcnew System::EventHandler(this, &MyForm::button_to_compress_Click);
            // 
            // button_to_decompress
            // 
            this->button_to_decompress->Location = System::Drawing::Point(12, 78);
            this->button_to_decompress->Margin = System::Windows::Forms::Padding(3, 2, 3, 2);
            this->button_to_decompress->Name = L"button_to_decompress";
            this->button_to_decompress->Size = System::Drawing::Size(131, 60);
            this->button_to_decompress->TabIndex = 2;
            this->button_to_decompress->Text = L"Decompress file";
            this->button_to_decompress->UseVisualStyleBackColor = true;
            this->button_to_decompress->Click += gcnew System::EventHandler(this, &MyForm::button_to_decompress_Click);
            // 
            // openFileDialog1
            // 
            this->openFileDialog1->FileName = L"openFileDialog1";
            // 
            // openFileDialog2
            // 
            this->openFileDialog2->FileName = L"openFileDialog2";
            // 
            // MyForm
            // 
            this->AutoScaleDimensions = System::Drawing::SizeF(8, 16);
            this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
            this->ClientSize = System::Drawing::Size(581, 217);
            this->Controls->Add(this->button_to_decompress);
            this->Controls->Add(this->button_to_compress);
            this->Controls->Add(this->progressBar1);
            this->FormBorderStyle = System::Windows::Forms::FormBorderStyle::FixedToolWindow;
            this->Margin = System::Windows::Forms::Padding(3, 2, 3, 2);
            this->MaximizeBox = false;
            this->Name = L"MyForm";
            this->Text = L"CompressionTool";
            this->ResumeLayout(false);
        }
#pragma endregion
    private: System::Void button_to_compress_Click(System::Object^ sender, System::EventArgs^ e)
    {
        OpenFileDialog^ openFileDialog1 = gcnew OpenFileDialog;

        openFileDialog1->InitialDirectory = "c:\\";
        openFileDialog1->Filter = "txt files (*.txt)|*.txt";
        openFileDialog1->FilterIndex = 1;
        openFileDialog1->RestoreDirectory = true;

        if (openFileDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK)
        {
            Node node;
            Tree tree;
            const char* directory;
            marshal_context^ context = gcnew marshal_context();
            directory = context->marshal_as<const char*>(openFileDialog1->FileName);
            tree.root = node.first_read_of_the_file(directory);
            node.sort_list(tree.root);
            node.make_tree(tree.root);
            tree.create_compressed_file(directory);
            tree.delete_tree(tree.root);

            SaveFileDialog^ saveFileDialog1 = gcnew SaveFileDialog;

            saveFileDialog1->InitialDirectory = "c:\\";
            saveFileDialog1->Filter = "huf files (*.huf)|*.huf";
            saveFileDialog1->FilterIndex = 1;
            saveFileDialog1->RestoreDirectory = true;

            if (saveFileDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK)
            {
                directory = context->marshal_as<const char*>(saveFileDialog1->FileName);
                int result = rename("compressed.huf", directory);
            }
            else
                remove("compressed.huf");

            delete context;
            delete saveFileDialog1;
        }

        delete openFileDialog1;
    }
    
    private: System::Void button_to_decompress_Click(System::Object^ sender, System::EventArgs^ e)
    {
        OpenFileDialog^ openFileDialog2 = gcnew OpenFileDialog;

        openFileDialog2->InitialDirectory = "c:\\";
        openFileDialog2->Filter = "huf files (*.huf)|*.huf";
        openFileDialog2->FilterIndex = 1;
        openFileDialog2->RestoreDirectory = true;

        if (openFileDialog2->ShowDialog() == System::Windows::Forms::DialogResult::OK)
        {
            Tree tree;
            const char* directory;
            marshal_context^ context = gcnew marshal_context();
            directory = context->marshal_as<const char*>(openFileDialog2->FileName);
            tree.decompress_file(directory);
            tree.delete_tree(tree.root);

            SaveFileDialog^ saveFileDialog2 = gcnew SaveFileDialog;

            saveFileDialog2->InitialDirectory = "c:\\";
            saveFileDialog2->Filter = "txt files (*.txt)|*.txt";
            saveFileDialog2->FilterIndex = 1;
            saveFileDialog2->RestoreDirectory = true;

            if (saveFileDialog2->ShowDialog() == System::Windows::Forms::DialogResult::OK)
            {
                directory = context->marshal_as<const char*>(saveFileDialog2->FileName);
                int result = rename("decompressed.txt", directory);
            }
            else
                remove("decompressed.txt");

            delete context;
            delete saveFileDialog2;
        }

        delete openFileDialog2;
    }
};
}

#pragma一次
#包括
#包括“tree.h”
使用名称空间msclr:：interop；
名称空间压缩工具{
使用名称空间系统；
使用名称空间System:：ComponentModel；
使用名称空间系统：：集合；
使用命名空间System:：Windows:：Forms；
使用名称空间System:：Data；
使用名称空间系统：：绘图；
使用名称空间系统：：IO；
/// 
/// 
/// 
公共引用类MyForm:public System:：Windows:：Forms:：Form
{
公众：
我的表格（作废）
{
初始化组件（）；
}
受保护的：
/// 
/// 
/// 
~MyForm（）
{
if（组件）
{
删除组件；
}
}
私有：系统：：Windows：：窗体：：ProgressBar^progressBar1；
受保护的：
私有：系统：：Windows：：窗体：：按钮^Button\u压缩；
私有：系统：：Windows：：窗体：：按钮^Button\u解压；
私有：系统：：Windows：：窗体：：OpenFileDialog^openFileDialog1；
私有：系统：：Windows：：窗体：：OpenFileDialog^openFileDialog2；
private:System:：Windows:：Forms:：SaveFileDialog^saveFileDialog1；
private:System:：Windows:：Forms:：SaveFileDialog^saveFileDialog2；
私人：
/// 
/// 
/// 
系统：：组件模型：：容器^组件；
#pragma区域Windows窗体设计器生成的代码
/// 
/// 
/// 
/// 
void初始化组件（void）
{
这->progressBar1=（gcnew System:：Windows:：Forms:：ProgressBar（））；
这个->按钮压缩=（gcnewsystem:：Windows:：Forms:：button（））；
这个->按钮到解压=（gcnew System:：Windows:：Forms:：button（））；
这->openFileDialog1=（gcnew System:：Windows:：Forms:：OpenFileDialog（））；
这->openFileDialog2=（gcnew System:：Windows:：Forms:：openFileDialog2（））；
这->saveFileDialog1=（gcnew System:：Windows:：Forms:：SaveFileDialog（））；
这->saveFileDialog2=（gcnew System:：Windows:：Forms:：saveFileDialog2（））；
此->SuspendLayout（）；
// 
//progressBar1
// 
这->progressBar1->位置=系统：：绘图：：点（12144）；
这->progressBar1->Margin=System:：Windows:：Forms:：Padding（3,2,3,2）；
此->进度条1->MarqueeAnimationSpeed=20；
此->progressBar1->Name=L“progressBar1”；
这->progressBar1->尺寸=系统：：图纸：：尺寸（557,60）；
这->progressBar1->Style=System:：Windows:：Forms:：ProgressBarStyle:：Marquee；
此->progressBar1->TabIndex=0；
此->进度条1->值=100；
// 
//按钮\u至\u压缩
// 
此->按钮压缩->位置=系统：：绘图：：点（12，12）；
这个->按钮\u to \u compress->Margin=System:：Windows:：Forms:：Padding（3,2,3,2）；
此->按钮压缩->名称=L“按钮压缩”；
这个->按钮压缩->尺寸=系统：：绘图：：尺寸（131,60）；
此->按钮要压缩->选项卡索引=1；
此->按钮\u to \u compress->Text=L“压缩文件”；
此->按钮要压缩->UseVisualStyleBackColor=true；
此->按钮\u压缩->单击+=gcnew System:：EventHandler（此，&MyForm:：按钮\u压缩\u单击）；
// 
//解压按钮
// 
这个->按钮到解压->位置=系统：：绘图：：点（12，78）；
这个->按钮到解压->边距=系统：：窗口：：窗体：：填充（3，2，3，2）；
此->按钮到解压->名称=L“按钮到解压”；
这个->按钮被解压->大小=系统：：绘图：：大小（131，60）；
此->按钮\u至\u解压->选项卡索引=2；
此->按钮\u至\u解压->文本=L“解压文件”；
此->按钮\u至\u解压缩->UseVisualStyleBackColor=true；
此->按钮解压缩->单击+=gcnew System:：EventHandler（此，&MyForm:：按钮解压缩\u单击）；
// 
//openFileDialog1
// 
此->openFileDialog1->文件名=L“openFileDialog1”；
// 
//openFileDialog2
// 
此->openFileDialog2->文件名=L“openFileDialog2”；
// 
//MyForm
// 
这->自动缩放尺寸=系统：：图纸：：尺寸（8,16）；
这->AutoScaleMode=System:：Windows:：Forms:：AutoScaleMode:：Font；
这->ClientSize=System:：Drawing:：Size（581217）；
此->控制->添加（此->按钮\u至\u解压）；
此->控制->添加（此->按钮要压缩）；
此->控制->添加（此->进度条1）；
这->FormBorderStyle=System:：Windows:：Forms:：FormBorderStyle:：FixedToolWindow；
这->边距=系统：：窗口：：窗体：：填充（3,2,3,2）；
此->MaximizeBox=false；
此->名称=L“MyForm”；
此->文本=L“压缩工具”；
此->恢复布局（错误）；
}
#布拉格端区
私有：系统：：无效按钮\u压缩\u单击（系统：：对象^sender，系统：：事件参数^e）
{
OpenFileDialog^openFileDialog1=gcnew OpenFileDialog；
openFileDialog1->InitialDirectory=“c:\\”；
openFileDialog1->Filter=“txt文件（*.txt）|*.txt”；
openFileDialog1->FilterIndex=1；
openFileDialog1->RestoreDirectory=true；
如果（openFileDialog1->ShowDialog（）==System:：Windows:：Forms:：DialogResult:：OK）
{
节点；