新ウィンドウの消去について (ID:69490)

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Form2->Close();とし、フォームを閉じようと以下の記述をしましたが、
ボタンを押下してもForm2->Close();でブレイクが止まりません。

何故でしょうか？

#pragma once

namespace My777 {

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

public ref class Form1 : public System::Windows::Forms::Form
	{
		public:
			Form1(void)
			{
				InitializeComponent();
			}

protected:
			~Form1()
			{
				if (components)
				{
					delete components;
				}
			}

private: System::Windows::Forms::Button^  button1;
		private: System::Windows::Forms::Button^  ButtonXXX;

protected:

private: System::ComponentModel::Container ^components;
		private: System::Windows::Forms::Form^  Form2;

#pragma region Windows Form Designer generated code
		void InitializeComponent(void)
		{
			this->button1 = (gcnew System::Windows::Forms::Button());
			this->SuspendLayout();
			// 
			// button1
			// 
			this->button1->Location = System::Drawing::Point(93, 93);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(102, 45);
			this->button1->TabIndex = 0;
			this->button1->Text = L"button1";
			this->button1->UseVisualStyleBackColor = true;
			this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
			// 
			// Form1
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 12);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(292, 266);
			this->Controls->Add(this->button1);
			this->Name = L"Form1";
			this->Text = L"Form1";
			this->ResumeLayout(false);

this->Form2 = (gcnew System::Windows::Forms::Form());
		}
#pragma endregion

//button1が押下された
	private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
		ButtonXXX = gcnew System::Windows::Forms::Button();
		ButtonXXX->Parent = Form2;
		ButtonXXX->AutoSize = true;
		ButtonXXX->Width = 250;
		ButtonXXX->Location = System::Drawing::Point(10,30);
		ButtonXXX->ForeColor = System::Drawing::Color::Black;
		ButtonXXX->Name = L"ButtonXXX";
		ButtonXXX->Size = System::Drawing::Size(5, 12);
		ButtonXXX->Text = L"ボタン";

Form2->Text = L"test";
		Form2->Width = 315;
		Form2->Height = 145;
		Form2->MinimumSize = System::Drawing::Size(315,145);
		Form2->MaximumSize = System::Drawing::Size(315,145);

Form2->StartPosition = System::Windows::Forms::FormStartPosition::CenterScreen;
		Form2->Activate();
		Form2->Show();
		Form2->Refresh();		
	}

//ボタンが押下された
	private: System::Void ButtonXXX_Click(System::Object^  sender, System::EventArgs^  e) {
		//新ウィンドウを消去する。
		Form2->Close();
	}

};
}

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