private static void OnAlphaChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ColorChooser c = d as ColorChooser;
if (c != null)
{
c.UpdateAlpha();
}
}
private static void OnColorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ColorChooser c = d as ColorChooser;
if (c != null)
{
c.SetColor((Color)e.NewValue);
RoutedPropertyChangedEventArgs <Color> ea = new RoutedPropertyChangedEventArgs <Color>(
(Color)e.OldValue, (Color)e.NewValue, ColorChangedEvent);
c.OnColorChanged(ea);
}
}
private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ColorChooser c = d as ColorChooser;
if (d != null)
{
c.IsNull = e.NewValue is Color ? false : true;
c.Color = c.IsNull ? Colors.Transparent : (Color)e.NewValue;
}
RoutedPropertyChangedEventArgs <object> ea = new RoutedPropertyChangedEventArgs <object>(
e.OldValue, e.NewValue, ValueChangedEvent);
c.OnValueChanged(ea);
}