Override the DefaultSize property to gain better performance : Control « GUI Windows Forms « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. GUI Windows Forms
3. Control

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

public class FormWithDefaultSize : Form
{
  private Button btnShow;
  private Button btnChange;
  private Label lbl;

  protected override Size DefaultSize
  {
    get
    {
      return new Size(400,400);
    }
  }

  public FormWithDefaultSize()
  {
    BackColor = Color.LightBlue;
    ForeColor = Color.DarkBlue;


    btnShow = new Button();
    btnShow.Location = new Point(50,50);
    btnShow.Size = new Size(100,23);
    btnShow.Text = "Show";
    btnShow.Click += new System.EventHandler(btnShow_Click);
    btnShow.Parent = this;

    btnChange = new Button();
    btnChange.Location = new Point(200,50);
    btnChange.Size = new Size(100,23);
    btnChange.Text = "Change";
    btnChange.Click += new System.EventHandler(btnChange_Click);
    btnChange.Parent = this;

    lbl = new Label();
    lbl.Text = "Control Size and Location";
    lbl.Size = new Size(400,25);
    lbl.Parent = this;
  }

  static void Main() 
  {
    Application.Run(new FormWithDefaultSize());
  }

  private void btnShow_Click(object sender, EventArgs e)
  {
    Console.WriteLine("Button Bottom:" + btnShow.Bottom.ToString());
    Console.WriteLine("Button Top:" + btnShow.Top.ToString() );
    Console.WriteLine("Button Left:" + btnShow.Left.ToString() );
    Console.WriteLine("Button Right:" + btnShow.Right.ToString() );
    Console.WriteLine("Button Location:" + btnShow.Location.ToString() );
    Console.WriteLine("Button Width:" + btnShow.Width.ToString() ); 
    Console.WriteLine("Button Height:" + btnShow.Height.ToString() );
    Console.WriteLine("Button Size:" + btnShow.Size.ToString() );
    Console.WriteLine("Button ClientSize:" + btnShow.ClientSize.ToString() );
    Console.WriteLine("Form Size:" + this.Size.ToString() );
    Console.WriteLine("Form ClientSize:" + this.ClientSize.ToString());
  }

  private void btnChange_Click(object sender, EventArgs e)
  {
    this.Size = new Size(800,200);
  }
}

23.53.Control
	23.53.1.	Control: TabIndex, Size and Location
	23.53.2.	Control Tag Property
	23.53.3.	Control Size and Location - Dynamic
	23.53.4.	Control Size and Location
	23.53.5.	Override the DefaultSize property to gain better performance
	23.53.6.	Create User Control based on Control class
	23.53.7.	Get controls on a form and verify its type
	23.53.8.	Set Caption(title) of the form
	23.53.9.	Set form forground color
	23.53.10.	Render onto the button