/// <summary>
/// This sends down the owners of this ResourceDictionary into the given
/// merged dictionary. We do this because whenever a merged dictionary
/// changes it should invalidate all owners of its parent ResourceDictionary.
///
/// Note that AddOwners throw if the merged dictionary already has one of the
/// parent's owners. This implies that either we're putting a dictionary
/// into its own MergedDictionaries collection or we're putting the same
/// dictionary into the collection twice, neither of which are legal.
/// </summary>
/// <param name="mergedDictionary"></param>
private void PropagateParentOwners(ResourceDictionary mergedDictionary)
{
if (this._ownerFEs != null)
{
Debug.Assert(this._ownerFEs.Count > 0);
if (mergedDictionary._ownerFEs == null)
{
#if BRIDGE
mergedDictionary._ownerFEs = new List <FrameworkElement>(this._ownerFEs.Count);
#else
mergedDictionary._ownerFEs = new WeakReferenceList(this._ownerFEs.Count);
#endif
}
foreach (FrameworkElement fe in this._ownerFEs)
{
if (fe != null)
{
mergedDictionary.AddOwner(fe);
}
}
}
if (this._ownerApps != null)
{
Debug.Assert(this._ownerApps.Count > 0);
if (mergedDictionary._ownerApps == null)
{
#if BRIDGE
mergedDictionary._ownerApps = new List <Application>(this._ownerApps.Count);
#else
mergedDictionary._ownerApps = new WeakReferenceList(this._ownerApps.Count);
#endif
}
foreach (Application app in _ownerApps)
{
if (app != null)
{
mergedDictionary.AddOwner(app);
}
}
}
}
private void PropagateParentOwners(ResourceDictionary mergedDictionary)
{
if (this.ownerFEs != null)
{
if (mergedDictionary.ownerFEs == null)
{
mergedDictionary.ownerFEs = new List<UIElement>(this.ownerFEs.Count);
}
for (int i = 0; i < this.ownerFEs.Count; i++)
{
mergedDictionary.AddOwner(this.ownerFEs[i]);
}
}
}