/*
 *  Introductory Hello CS585 project in Windows Forms C#
 * uses console output to show program execution.
 * 
 * Mike Barnes  9/22/02 
*/

using System;
using System.Drawing;
using System.Windows.Forms;

class HelloWindowsForm : Form {
  readonly Button b;
  string bLabel;
  bool bState;

  public static void Main() {
    System.Console.WriteLine("Main: enter");
    Application.Run(new HelloWindowsForm());
    System.Console.WriteLine("Main: leave");
    }
  
  public HelloWindowsForm() {
    System.Console.WriteLine("HelloWindowsForm:  enter");
    Width = 100;  // set size of form
    Height = 50;
    b = new Button();
    b.Parent = this;
    bLabel = "Hello CS 585 !";
    bState = true;
    b.Text= bLabel;
    b.Dock = DockStyle.Fill;
    b.Click += new EventHandler(ButtonOnClick);
    System.Console.WriteLine("HelloWindowsForm: leave");
    }

  // process button clicks
  void ButtonOnClick(object obj, EventArgs e) {
    System.Console.WriteLine("ButtonOnClick: enter");
    if (bState) 
      b.Text = "press me again";
    else 
      b.Text = "Hello CS 585 !";
    bState = !bState;
    System.Console.WriteLine("ButtonOnClick: leave,  bState = "
      + bState.ToString());
    }   
  }