private void EnsureSynchronisationRootExists()
{
if (this.synchronisationRoot == null)
{
this.synchronisationRoot = new PanelSynchronisationRoot();
this.synchronisationRoot.AddMember(this);
}
}
private static void OnPrivateSynchronisationRootPropertyChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
DialogPanel Panel = (DialogPanel)dependencyObject;
PanelSynchronisationRoot SynchronisationRoot = (PanelSynchronisationRoot)e.NewValue;
if (Panel.synchronisationRoot != null)
{
// if definition is already registered And shared size scope is changing,
// then un-register the definition from the current shared size state object.
Panel.synchronisationRoot.RemoveMember(Panel);
Panel.synchronisationRoot = null;
}
if ((Panel.synchronisationRoot == null) && (SynchronisationRoot != null))
{
// if definition is not registered and both: shared size group id AND private shared scope
// are available, then register definition.
Panel.synchronisationRoot = SynchronisationRoot;
Panel.synchronisationRoot.AddMember(Panel);
}
}
