C# 0 The Complete Reference

PART II

C h a p t e r   2 6 :  

U s e   S y s t e m . W i n d o w s . F o r m s  

853

the

Controls

 property, which is inherited from the 

Control

 class. The 

Add( )

 method is 

defined like this:

public virtual void Add(Control 

cntl

)

Here, 

cntl

 is the control being added. Once a control has been added to a form, it will be 

displayed when the form is displayed.

A Simple Button Example

The following program adds a button to the skeleton shown earlier. At this time, the button 

does not do anything, but it is present in the form and can be clicked.

// Add a Button.

using System;

using System.Windows.Forms;

using System.Drawing;

class ButtonForm : Form {

  Button MyButton;

  public ButtonForm() {

    Text = "Using a Button";

    MyButton = new Button();

    MyButton.Text = "Press Here";

    MyButton.Location = new Point(100, 200);

    Controls.Add(MyButton);

  }

  [STAThread]

  static void Main() {

    ButtonForm skel = new ButtonForm();

    Application.EnableVisualStyles();

    Application.Run(skel);

  }

}

This program creates a class called