/// <summary>
/// Handle the Value of MarketValueBox changing. Change the value of Text to match.
/// </summary>
/// <param name="sender">The MarketValueBox.</param>
/// <param name="eventArgs">The event arguments.</param>
static private void OnValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs eventArgs)
{
// Display the value formatted for the local currency using the Text property of this control.
MarketValueBox marketValueBox = sender as MarketValueBox;
marketValueBox.SetValue(TextBox.TextProperty, String.Format("{0:#,##0.00}", marketValueBox.Value));
marketValueBox.RaiseEvent(new RoutedEventArgs(MarketValueBox.ValueChangedEvent));
}
/// <summary>
/// Create a new MarketValueBox.
/// </summary>
public MarketValueBox()
{
// Initialize the object.
this.originalBorderThickness = default(Thickness);
this.originalBackground = default(Brush);
// One problem with the event driven architecture is that it's difficult to initialize the controls with the default value. There are no events
// fired because setting the control to it's default value doesn't generate a 'Property Changed' event. This code here will force the defalt value
// into the control in the proper format.
MarketValueBox.OnValueChanged(this, new DependencyPropertyChangedEventArgs(MarketValueBox.ValueProperty, 0.0M, 0.0M));
}
/// <summary>
/// Handle the Value of MarketValueBox changing. Change the value of Text to match.
/// </summary>
/// <param name="sender">The MarketValueBox.</param>
/// <param name="eventArgs">The event arguments.</param>
static private void OnIsReadOnlyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs eventArgs)
{
// Remove the border of the control when in the read-only mode and restore it when editing is allowed.
MarketValueBox marketValueBox = sender as MarketValueBox;
if (Convert.ToBoolean(eventArgs.NewValue))
{
marketValueBox.originalBorderThickness = marketValueBox.BorderThickness;
marketValueBox.BorderThickness = new Thickness(0);
marketValueBox.Background = Brushes.Transparent;
}
else
{
marketValueBox.Background = marketValueBox.originalBackground;
marketValueBox.BorderThickness = marketValueBox.originalBorderThickness;
}
}