private void EnsureHasProperties()
{
if (properties == null)
{
properties = new ObservableCollection <Property>(GetAllProperties());
//second set: to make sure the properties arent created twice when filter.
properties = new ObservableCollection <Property>(properties.OrderBy(x => x.Category).ThenBy(x => x.DisplayName));
extendedProperties = new ExtendedPropertyContainer(elementLookup, this, properties);
PropagateNamePropertyChanges();
}
}
/// <summary>
/// Indicates the object is being disposed.
/// </summary>
/// <param name="disposing">Indicates <see cref="ViewModel.Dispose(bool)"/> was invoked through an explicit call to <see cref="ViewModel.Dispose()"/> instead of a finalizer call.</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (parentElementModel != null)
{
this.parentElementModel.PropertyChanged -= ParentPropertyChangedHandler;
}
if (properties != null)
{
foreach (IDisposable prop in properties)
{
prop.Dispose();
}
properties.Clear();
}
if (extendedProperties != null)
{
extendedProperties.Dispose();
extendedProperties = null;
}
if (childElements != null)
{
foreach (var child in childElements)
{
child.Dispose();
}
}
}
base.Dispose(disposing);
}
