/// <summary>
/// Handles the element <see cref="SkiaFrameworkElement.ChildAdded"/> event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="element">The element.</param>
private void Element_ChildAdded(object sender, FrameworkElement element)
{
var skiaElement = SkiaTree.Inject(element);
InitElement(skiaElement);
_tree_change_throttle.ResetReplace(() =>
{
Render();
});
}
/// <summary>
/// Handles the SizeChanged event of the _scrollViewer control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="SizeChangedEventArgs"/> instance containing the event data.</param>
private void _scrollViewer_SizeChanged(object sender, SizeChangedEventArgs e)
{
if (IsVirtualizing)
{
_sizing_throttle.ResetReplace(() =>
{
InitSurface();
Render();
});
}
}
/// <summary>
/// Handles the ScrollChanged event of the _scrollViewer control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="ScrollChangedEventArgs"/> instance containing the event data.</param>
private void _scrollViewer_ScrollChanged(object sender, ScrollChangedEventArgs e)
{
_scrolling_throttle.ResetReplace(() =>
{
if (IsVirtualizing)
{
Render();
}
});
}
/// <summary>
/// Called when a binding container value has been changed.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="BindingEventArgs"/> instance containing the event data.</param>
protected virtual void OnBindingContainerValueChanged(object sender, BindingEventArgs e)
{
ActionThrottle throttle = null;
if (_bindingThrottlers.TryGetValue(e.BindingProperty, out throttle))
{
throttle.ResetReplace(() =>
{
RenderSingle(e.SkiaElement, e.BindingProperty.Mode);
});
}
}