@FlakeSunrise

В чем проблема?

Интересует не весь код, интересует часть после #pragma endregion, где начинается проверка на невалидные символы. Написав ее выдает ошибк
#pragma once

namespace Project5 {

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

	/// <summary>
	/// Сводка для MyForm
	/// </summary>
	public ref class MyForm : public System::Windows::Forms::Form
	{
	public:
		MyForm(void)
		{
			InitializeComponent();
			//
			//TODO: добавьте код конструктора
			//
		}

	protected:
		/// <summary>
		/// Освободить все используемые ресурсы.
		/// </summary>
		~MyForm()
		{
			if (components)
			{
				delete components;
			}
		}
	private: System::Windows::Forms::TextBox^ textBox1;
	private: System::Windows::Forms::TextBox^ textBox2;
	private: System::Windows::Forms::TextBox^ textBox3;
	private: System::Windows::Forms::Label^ label1;
	private: System::Windows::Forms::Label^ label2;
	private: System::Windows::Forms::Label^ label3;
	private: System::Windows::Forms::Button^ button1;
	private: System::Windows::Forms::Button^ button2;
	private: System::Windows::Forms::Label^ label4;
	private: System::Windows::Forms::ComboBox^ comboBox1;
	protected:

	private:
		/// <summary>
		/// Обязательная переменная конструктора.
		/// </summary>
		System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code
		/// <summary>
		/// Требуемый метод для поддержки конструктора — не изменяйте 
		/// содержимое этого метода с помощью редактора кода.
		/// </summary>
		void InitializeComponent(void)
		{
			this->textBox1 = (gcnew System::Windows::Forms::TextBox());
			this->textBox2 = (gcnew System::Windows::Forms::TextBox());
			this->textBox3 = (gcnew System::Windows::Forms::TextBox());
			this->label1 = (gcnew System::Windows::Forms::Label());
			this->label2 = (gcnew System::Windows::Forms::Label());
			this->label3 = (gcnew System::Windows::Forms::Label());
			this->button1 = (gcnew System::Windows::Forms::Button());
			this->button2 = (gcnew System::Windows::Forms::Button());
			this->label4 = (gcnew System::Windows::Forms::Label());
			this->comboBox1 = (gcnew System::Windows::Forms::ComboBox());
			this->SuspendLayout();
			// 
			// textBox1
			// 
			this->textBox1->Location = System::Drawing::Point(12, 107);
			this->textBox1->Name = L"textBox1";
			this->textBox1->Size = System::Drawing::Size(260, 20);
			this->textBox1->TabIndex = 0;
			// 
			// textBox2
			// 
			this->textBox2->Location = System::Drawing::Point(15, 178);
			this->textBox2->Name = L"textBox2";
			this->textBox2->Size = System::Drawing::Size(260, 20);
			this->textBox2->TabIndex = 1;
			this->textBox2->TextChanged += gcnew System::EventHandler(this, &MyForm::textBox2_TextChanged);
			// 
			// textBox3
			// 
			this->textBox3->Location = System::Drawing::Point(12, 257);
			this->textBox3->Name = L"textBox3";
			this->textBox3->Size = System::Drawing::Size(260, 20);
			this->textBox3->TabIndex = 2;
			this->textBox3->TextChanged += gcnew System::EventHandler(this, &MyForm::textBox3_TextChanged);
			// 
			// label1
			// 
			this->label1->AutoSize = true;
			this->label1->Location = System::Drawing::Point(12, 80);
			this->label1->Name = L"label1";
			this->label1->Size = System::Drawing::Size(77, 13);
			this->label1->TabIndex = 3;
			this->label1->Text = L"Первое число";
			this->label1->Click += gcnew System::EventHandler(this, &MyForm::label1_Click);
			// 
			// label2
			// 
			this->label2->AutoSize = true;
			this->label2->Location = System::Drawing::Point(12, 163);
			this->label2->Name = L"label2";
			this->label2->Size = System::Drawing::Size(75, 13);
			this->label2->TabIndex = 4;
			this->label2->Text = L"Второе число";
			this->label2->Click += gcnew System::EventHandler(this, &MyForm::label2_Click);
			// 
			// label3
			// 
			this->label3->AutoSize = true;
			this->label3->Location = System::Drawing::Point(14, 241);
			this->label3->Name = L"label3";
			this->label3->Size = System::Drawing::Size(59, 13);
			this->label3->TabIndex = 5;
			this->label3->Text = L"Результат";
			this->label3->Click += gcnew System::EventHandler(this, &MyForm::label3_Click);
			// 
			// button1
			// 
			this->button1->Location = System::Drawing::Point(17, 283);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(215, 38);
			this->button1->TabIndex = 6;
			this->button1->Text = L"Расчитать";
			this->button1->UseVisualStyleBackColor = true;
			this->button1->Click += gcnew System::EventHandler(this, &MyForm::button1_Click);
			// 
			// button2
			// 
			this->button2->Location = System::Drawing::Point(17, 333);
			this->button2->Name = L"button2";
			this->button2->Size = System::Drawing::Size(215, 38);
			this->button2->TabIndex = 7;
			this->button2->Text = L"Сбросить";
			this->button2->UseVisualStyleBackColor = true;
			this->button2->Click += gcnew System::EventHandler(this, &MyForm::button2_Click);
			// 
			// label4
			// 
			this->label4->AutoSize = true;
			this->label4->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 15));
			this->label4->Location = System::Drawing::Point(12, 32);
			this->label4->Name = L"label4";
			this->label4->Size = System::Drawing::Size(105, 25);
			this->label4->TabIndex = 8;
			this->label4->Text = L"Действие";
			this->label4->Click += gcnew System::EventHandler(this, &MyForm::label4_Click);
			// 
			// comboBox1
			// 
			this->comboBox1->FormattingEnabled = true;
			this->comboBox1->Items->AddRange(gcnew cli::array< System::Object^  >(4) { L"Сложение", L"Вычитание", L"Умножение", L"Деление" });
			this->comboBox1->Location = System::Drawing::Point(272, 32);
			this->comboBox1->Name = L"comboBox1";
			this->comboBox1->Size = System::Drawing::Size(121, 21);
			this->comboBox1->TabIndex = 9;
			this->comboBox1->Text = L"Сложение";
			this->comboBox1->SelectedIndexChanged += gcnew System::EventHandler(this, &MyForm::comboBox1_SelectedIndexChanged);
			// 
			// MyForm
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(405, 383);
			this->Controls->Add(this->comboBox1);
			this->Controls->Add(this->label4);
			this->Controls->Add(this->button2);
			this->Controls->Add(this->button1);
			this->Controls->Add(this->label3);
			this->Controls->Add(this->label2);
			this->Controls->Add(this->label1);
			this->Controls->Add(this->textBox3);
			this->Controls->Add(this->textBox2);
			this->Controls->Add(this->textBox1);
			this->Name = L"MyForm";
			this->Text = L"MyForm";
			this->Load += gcnew System::EventHandler(this, &MyForm::MyForm_Load);
			this->ResumeLayout(false);
			this->PerformLayout();

		}
#pragma endregion
	private: System::Void label2_Click(System::Object^ sender, System::EventArgs^ e) {
	}
private: System::Void label4_Click(System::Object^ sender, System::EventArgs^ e) {
}
#pragma endregion
	private: System::Void MyForm_Load(System::Object^ sender, System::EventArgs^ e) {
	}
	private: System::Void label1_Click(System::Object^ sender, System::EventArgs^ e) {
		bool Protect() {
			if ((textBox1->Text->Length == 0) || (textBox2->Text->Length == 0)) { return false; }
			for (int i - 0; i < textBox1->Length; i++) {
				if ((textBox1->text[i] >= "0") && (textBox1->[text[i] <= "9") || (textBox1->text[i] == ",")) {}
				else { return false; }
			}
			for (int i - 0; i < textBox1->Length; i++) {
				if ((textBox2->text[i] >= "0") && (textBox2->[text[i] <= "9") || (textBox2->text[i] == ",")) {}
				else { return false; }
			}
			return true;
		}
	private: System::Void button1_Click(System::Object ^ sender, System::EventArgs ^ e) {
		if (Protect()) {
			double Num1, Num2, Result;
			Num1 = System::Convert::ToDouble(textBox1->Text);
			Num2 = System::Convert::ToDouble(textBox2->Text);

			if (comboBox1->SelectedItem == "Сложение") {
				Result = Num1 + Num2;
				label4->Text - L"Сложение";
			}
			else
				if (comboBox1->SelectedItem == "Вычитание") {
					Result = Num1 - Num2;
					label4->Text = L"Вычитание";
				}
				else
					if (comboBox1->SelectedItem == "Умножение") {
						Result = Num1 * Num2;
						label4->Text = L"Умножение";
					}
					else
						if (comboBox1->SelectedItem == "Деление") {
							if (Num != 0) {
								Result = Num1 / Num2;
								label4->Text = L"Деление";
							}
							else {
								MessageBox::Show("Попытка деления на 0", "Ошибка");
							}
							textBox3
						}
		};
	}
private: System::Void comboBox1_SelectedIndexChanged(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void MyForm_Load(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void label1_Click(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void textBox2_TextChanged(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void label3_Click(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void textBox3_TextChanged(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void button2_Click(System::Object^ sender, System::EventArgs^ e) {
}
};
}
у.
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Решения вопроса 1
Rsa97
@Rsa97
Для правильного вопроса надо знать половину ответа
#pragma region один раз, #pragma endregion два раза.
Ответ написан
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