/// <summary>
/// Check Count property and redraw control with new parameters.
/// </summary>
/// <param name="d">LoadingIndicator object whose Count property is changed.</param>
/// <param name="e">DependencyPropertyChangedEventArgs which contains the old and new values.</param>
private static void OnCountPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
LoadingIndicator ctl = (LoadingIndicator)d;
int count = (int)e.NewValue;
if (count <= 0)
{
ctl.Count = DefaultCount;
}
ctl.CreateAnimation();
}
/// <summary>
/// Stop animation when control becomes collapsed and create it anew - when visible.
/// </summary>
/// <param name="d">LoadingIndicator object whose ControlVisibility property is changed.</param>
/// <param name="e">DependencyPropertyChangedEventArgs which contains the old and new values.</param>
private static void OnControlVisibilityPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
LoadingIndicator ctl = (LoadingIndicator)d;
Visibility visibility = (Visibility)e.NewValue;
if (ctl.animationElementContainer != null)
{
if (visibility == Visibility.Collapsed)
{
ctl.StopAnimation();
}
else
{
ctl.StartAnimation();
}
}
}
/// <summary>
/// Called when Duration property is changed.
/// </summary>
/// <param name="d">LoadingIndicator object whose Duration property is changed.</param>
/// <param name="e">DependencyPropertyChangedEventArgs which contains the old and new values.</param>
private static void OnDurationPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
LoadingIndicator ctl = (LoadingIndicator)d;
ctl.CreateAnimation();
}