applicationとは？ わかりやすく解説

Public NotInheritable Class
 Application

Dim instance As Application

public sealed class Application

public ref class Application sealed

public final class Application

public final class Application

public class Form1 : Form
{
    [STAThread]
    public static void Main()
    {
        // Start the application.
        Application.Run(new Form1());
    }

    private Button button1;
    private ListBox listBox1;

    public Form1()
    {
        button1 = new Button();
        button1.Left = 200;
        button1.Text = "Exit";
        button1.Click += new EventHandler(button1_Click);

        listBox1 = new ListBox();
        this.Controls.Add(button1);
        this.Controls.Add(listBox1);
    }

    private void button1_Click(object sender,
 System.EventArgs e)
    {
        int count = 1;
        // Check to see whether the user wants to exit the application.
        // If not, add a number to the list box.
        while (MessageBox.Show("Exit application?",
 "", 
            MessageBoxButtons.YesNo)==DialogResult.No)
        {
            listBox1.Items.Add(count);
            count += 1;
        }

        // The user wants to exit the application. 
        // Close everything down.
        Application.Exit();
    }
}

public ref class Form1: public
 System::Windows::Forms::Form
{
private:
   Button^ button1;
   ListBox^ listBox1;

public:
   Form1()
   {
      button1 = gcnew Button;
      button1->Left = 200;
      button1->Text =  "Exit";
      button1->Click += gcnew EventHandler( this, &Form1::button1_Click
 );
      listBox1 = gcnew ListBox;
      this->Controls->Add( button1 );
      this->Controls->Add( listBox1 );
   }

private:
   void Form1::button1_Click( Object^ /*sender*/, EventArgs^ /*e*/
 )
   {
      int count = 1;
      
      // Check to see whether the user wants to exit 
      // the application. If not, add a number to the list box.
      while ( MessageBox::Show(  "Exit application?",
  "", MessageBoxButtons::YesNo ) == ::DialogResult::No )
      {
         listBox1->Items->Add( count );
         count += 1;
      }

      
      // The user wants to exit the application. 
      // Close everything down.
      Application::Exit();
   }

};

int main()
{
   
   // Starts the application.
   Application::Run( gcnew Form1 );
}

public class Form1 extends Form
{
    /** @attribute STAThread()
     */
    public static void main(String[]
 args)
    {
        // Start the application.
        Application.Run(new Form1());
    } //main

    private Button button1;
    private ListBox listBox1;

    public Form1()
    {
        button1 = new Button();
        button1.set_Left(200);
        button1.set_Text("Exit");
        button1.add_Click(new EventHandler(button1_Click));
        listBox1 = new ListBox();
        this.get_Controls().Add(button1);
        this.get_Controls().Add(listBox1);
    } //Form1

    public void button1_Click(Object sender,
 System.EventArgs e)
    {
        int count = 1;

        // Check to see whether the user wants to exit the application.
        // If not, add a number to the list box.
        while ((MessageBox.Show("Exit application?",
 "", 
                MessageBoxButtons.YesNo).Equals(get_DialogResult().No))) {
            listBox1.get_Items().Add(new Integer(count));
            count += 1;
        }
        // The user wants to exit the application. 
        // Close everything down.
        Application.Exit();
    } //button1_Click
} //Form1