private static void OrientationChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
WaterfallPanel obj = (WaterfallPanel)d;
Orientation value = (Orientation)e.NewValue;
if (Enum.IsDefined(typeof(Orientation), value) == false)
{
throw new ArgumentException("orientation is not defined.", nameof(value));
}
obj.InvalidateMeasure();
}
private static void ColumnCountChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
WaterfallPanel obj = (WaterfallPanel)d;
int value = (int)e.NewValue;
if (value <= 0)
{
throw new ArgumentOutOfRangeException(nameof(value));
}
obj.InvalidateMeasure();
}