private void Initialize()
{
Btn0.SetBinding(this, IsExpandedProperty, ToggleButton.IsCheckedProperty, BindingMode.TwoWay, true);
Brdr.SetBinding(this, BorderBrushProperty, Border.BorderBrushProperty, fallback: new SolidColorBrush(Colors.Gray));
Brdr.SetBinding(this, IsExpandedProperty, UIElement.VisibilityProperty, BindingMode.OneWay, converter: Converters.BoolToVisibility.Converter);
Presenter.SetBinding(this, ContentProperty, ContentPresenter.ContentTemplateProperty);
}
// Keyboard Keys Events.
private void Calculator_KeyDown(object sender, KeyEventArgs e)
{
// Using Switch To Perform Various Key Events.
switch (e.KeyCode)
{
case Keys.NumPad1: { Btn1.PerformClick(); break; }
case Keys.NumPad2: { Btn2.PerformClick(); break; }
case Keys.NumPad3: { Btn3.PerformClick(); break; }
case Keys.NumPad4: { Btn4.PerformClick(); break; }
case Keys.NumPad5: { Btn5.PerformClick(); break; }
case Keys.NumPad6: { Btn6.PerformClick(); break; }
case Keys.NumPad7: { Btn7.PerformClick(); break; }
case Keys.NumPad8: { Btn8.PerformClick(); break; }
case Keys.NumPad9: { Btn9.PerformClick(); break; }
case Keys.NumPad0: { Btn0.PerformClick(); break; }
case Keys.Back: { BackBtn.PerformClick(); break; }
case Keys.Add: { BtnPlus.PerformClick(); break; }
case Keys.Subtract: { BtnMinus.PerformClick(); break; }
case Keys.Divide: { BtnDivision.PerformClick(); break; }
case Keys.Multiply: { BtnMultiple.PerformClick(); break; }
case Keys.Decimal: { BtnPoint.PerformClick(); break; }
case Keys.Oemplus: { BtnEquals.PerformClick(); break; }
case Keys.H: { vh.Show(); break; }
default: break;
}
}
private void Btn0_Click(object sender, EventArgs e)
{
data.AddStringExpression(Btn0.GetNumber().ToString());
ChangeText();
}
