using System;
using System.Runtime.InteropServices;

#using <System.dll>

using namespace System;
using namespace System::Runtime::InteropServices;

class Program
{
  [STAThread]
  static void Main(string[] args)
  {
    }

[STAThreadAttribute]
int main(array<System::String ^> ^args)
{
    Application::Run(gcnew MyForm()); // message loop
    return 0;
}

//add button to form
private System.Windows.Forms.Button button1; : 
// init
this.button1.Font = new System.Drawing.Font("MS UI Gothic", 
         6F, System.Drawing.FontStyle.Regular, 
         System.Drawing.GraphicsUnit.Point, ((System.Byte)(128)));
this.button1.Location = new System.Drawing.Point(376, 32);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(32, 24);
this.button1.TabIndex = 3;
this.button1.Text = "・・・";
this.button1.Click += 
         new System.EventHandler(this.button1_Click);
:
// add to form 
this.Controls.Add(button1);
:
// handler
private void button1_Click(object sender, System.EventArgs e){
}

// variable
Button^ btn;
void btn_Click(Object ^sender, System::EventArgs^ e);
: 
// init
btn=gcnew Button();
btn->Text="Test Button";
btn->Location=Point(5,90);
btn->Size=System::Drawing::Size(100,22);
btn->Click += gcnew EventHandler( this, &MyForm::btn_Click);
:
//add the button
this->Controls->Add(btn);
:
//the event handler for button click
void MyForm::btn_Click(Object ^sender, System::EventArgs ^e)
{
    //we show the current date/time in the text box
    DateTime dt=System::DateTime::Now;
    txt1->Text=dt.ToString();
}

// Timer

    // variable

    private System.Windows.Forms.Timer timer1;

// variable

    private:

    System::Windows::Forms::Timer timer1;

    void timer1_Tick(Object^ sender, System::EventArgs^ e);

// init

    this.timer1.Tick += 
    
           new System.EventHandler(this.timer1_Tick);

// init

    this->timer1->Tick += gcnew System::EventHandler(this,&myApp::timer1_Tick);

// handler

    private void timer1_Tick(object sender, 
    
                             System.EventArgs e){}

// handler

    void myApp::timer1_Tick(Object^ sender, System::EventArgs^ e){}

this.button.Location = new System.Drawing.Point(149, 86); this.button.Size = new System.Drawing.Size(147, 23);

this->button->Location = System::Drawing::Point(149, 86); this->button->Size
    = System::Drawing::Size(147, 23);