protected virtual void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_disposed = true;
if (!disposing)
{
return;
}
_defaultShape = null;
if (_shapeManager != null)
{
_shapeManager.Dispose();
_shapeManager = null;
}
SetVisualElement(_visualElement, null);
if (_renderer == null)
{
return;
}
_renderer.ElementChanged -= OnRendererElementChanged;
_context = null;
_nativeView = null;
_renderer = null;
}
public MaterialBackgroundManager(IVisualElementRenderer renderer)
{
_renderer = renderer ?? throw new ArgumentNullException(nameof(renderer), "Renderer cannot be null");
_renderer.ElementChanged += OnRendererElementChanged;
_defaultShape = new RoundRect();
_shapeManager = new MaterialShapeManager();
SetVisualElement(null, _renderer.Element);
}
