GUI Form Visual C++ .NET

[STAThreadAttribute]
int main(array ^args)
{
  Application::Run(gcnew Form1());
  return 0;
}
  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();
    }
        System::Windows::Forms::Label^  lbRetString;
        System::Windows::Forms::Label^  lbRetVal;
    void InitializeComponent(void)
    {
            this->lbRetString = (gcnew System::Windows::Forms::Label());
            this->lbRetVal = (gcnew System::Windows::Forms::Label());
            this->SuspendLayout();
            //
            // lbRetString
            //
            this->lbRetString->Location = System::Drawing::Point(34, 119);
            this->lbRetString->Name = L"lbRetString";
            this->lbRetString->Size = System::Drawing::Size(225, 19);
            this->lbRetString->TabIndex = 3;
            //
            // lbRetVal
            //
            this->lbRetVal->Location = System::Drawing::Point(34, 77);
            this->lbRetVal->Name = L"lbRetVal";
            this->lbRetVal->Size = System::Drawing::Size(225, 19);
            this->lbRetVal->TabIndex = 2;
            //
            // Form1
            //
            this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
            this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
            this->ClientSize = System::Drawing::Size(292, 273);
            this->Controls->Add(this->lbRetString);
            this->Controls->Add(this->lbRetVal);
            this->Name = L"Form1";
            this->Text = L"Click Form to get dialog";
            this->Click +=
                gcnew System::EventHandler(this, &Form1::Form1_Click);
            this->ResumeLayout(false);
    }
        System::Void Form1_Click(System::Object^ sender, System::EventArgs^ e)
        {
            MyDialog ^mydialog = gcnew MyDialog();
            mydialog->PassedValue = "This has been passed from Form1";
            if (mydialog->ShowDialog() ==
                System::Windows::Forms::DialogResult::OK)
                lbRetVal->Text = "OK";
            else if (mydialog->DialogResult ==
                System::Windows::Forms::DialogResult::Abort)
                lbRetVal->Text = "Abort";
            else
                lbRetVal->Text = "Cancel";
            lbRetString->Text = mydialog->PassedValue;
        }
  };
  public ref class MyDialog : public System::Windows::Forms::Form
  {
  public:
    MyDialog(void)
    {
      InitializeComponent();
    }
    public:
        property String^ PassedValue  // PassedValue property
        {
            void set(String ^value)
            {
                tbPassedValue->Text = value;
            }
            String ^get()
            {
            return tbPassedValue->Text;
            }
        }
        System::Windows::Forms::Button^  bnCancel;
        System::Windows::Forms::Button^  bnAbort;
        System::Windows::Forms::Button^  bnOK;
        System::Windows::Forms::TextBox^  tbPassedValue;
    void InitializeComponent(void)
    {
            this->bnCancel = (gcnew System::Windows::Forms::Button());
            this->bnAbort = (gcnew System::Windows::Forms::Button());
            this->bnOK = (gcnew System::Windows::Forms::Button());
            this->tbPassedValue = (gcnew System::Windows::Forms::TextBox());
            this->SuspendLayout();
            //
            // bnCancel
            //
            this->bnCancel->DialogResult =
                System::Windows::Forms::DialogResult::Cancel;
            this->bnCancel->Location = System::Drawing::Point(205, 60);
            this->bnCancel->Name = L"bnCancel";
            this->bnCancel->Size = System::Drawing::Size(75, 23);
            this->bnCancel->TabIndex = 7;
            this->bnCancel->Text = L"Cancel";
            //
            // bnAbort
            //
            this->bnAbort->DialogResult =
                System::Windows::Forms::DialogResult::Abort;
            this->bnAbort->Location = System::Drawing::Point(110, 60);
            this->bnAbort->Name = L"bnAbort";
            this->bnAbort->Size = System::Drawing::Size(75, 23);
            this->bnAbort->TabIndex = 6;
            this->bnAbort->Text = L"Abort";
            //
            // bnOK
            //
            this->bnOK->DialogResult = System::Windows::Forms::DialogResult::OK;
            this->bnOK->Location = System::Drawing::Point(13, 60);
            this->bnOK->Name = L"bnOK";
            this->bnOK->Size = System::Drawing::Size(75, 23);
            this->bnOK->TabIndex = 5;
            this->bnOK->Text = L"OK";
            //
            // tbPassedValue
            //
            this->tbPassedValue->Location = System::Drawing::Point(13, 20);
            this->tbPassedValue->Name = L"tbPassedValue";
            this->tbPassedValue->Size = System::Drawing::Size(267, 20);
            this->tbPassedValue->TabIndex = 4;
            //
            // myDialog
            //
            this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
            this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
            this->ClientSize = System::Drawing::Size(292, 102);
            this->Controls->Add(this->bnCancel);
            this->Controls->Add(this->bnAbort);
            this->Controls->Add(this->bnOK);
            this->Controls->Add(this->tbPassedValue);
            this->Name = L"myDialog";
            this->Text = L"My Custom Dialog";
            this->ResumeLayout(false);
            this->PerformLayout();
        }
  };