public CalculatorForm()
{
this.InitializeComponent();
this.number1 = this.number2 = 0.0;
this.textBox.ReadOnly = true;
this.textBox.RightToLeft = RightToLeft.Yes;
this.textBox.Text = "0";
this.radioDegree.Checked = true;
Icon = Icon.FromHandle(Resources.Calculator.GetHicon());
this.checkBoxTopMost.DataBindings.Add("Checked", this,
"Topmost", false, DataSourceUpdateMode.OnPropertyChanged);
}