public FormOpg0()
{
// Laver instans af klasserne
lblHello = new Label();
btnHello = new Button();
nbtnHello = new NumberButton(1);
// initialisering
Controls.Add(lblHello);
Controls.Add(btnHello);
Controls.Add(nbtnHello);
lblHello.Location = new Point(12, 9);
lblHello.Text = "Hello world";
// x starter fra toppen og y starter fra venstre i point
btnHello.Location = new Point(32, 36);
btnHello.Text = "Tryk";
// Click er et event og der tilføjes flere handlers
btnHello.Click += BtnAdd_Click;
btnHello.DoubleClick += BtnAdd_Click;
nbtnHello.Location = new Point(100, 100);
}
private void SetupNumberButtons()
{
NumberButton[] buttons = new NumberButton[10];
for (int buttonIndex = 0; buttonIndex < 9; buttonIndex++) // initialize 1-9
{
int xPosition = ((buttonIndex % 3) * 30);
int yPosition = (2 - ((buttonIndex - (buttonIndex % 3)) / 3)) * 30;
NumberButton numberButton = new NumberButton(buttonIndex + 1);
numberButton.Location = new Point(xPosition, yPosition);
numberButton.Size = new Size(25, 25);
buttons[buttonIndex] = numberButton;
}
buttons[9] = new NumberButton(0, new Point(0, 90)); // initialize 0
buttons[9].Size = new Size(3 * 25, 25);
this.SuspendLayout();
foreach (NumberButton button in buttons)
{
this.Controls.Add(button);
button.NumberClick += ButtonNumberClick;
}
this.ResumeLayout();
}