internal void Update(string themeKey)
{
if (ThemeDictionaries.TryGetValue(themeKey, out ResourceDictionary themeDictionary))
{
if (_mergedThemeDictionary != null)
{
if (_mergedThemeDictionary == themeDictionary)
{
return;
}
else
{
int targetIndex = MergedDictionaries.IndexOf(_mergedThemeDictionary);
MergedDictionaries[targetIndex] = themeDictionary;
_mergedThemeDictionary = themeDictionary;
}
}
else
{
int targetIndex;
if (MergedAppThemeDictionary != null)
{
targetIndex = MergedDictionaries.IndexOf(MergedAppThemeDictionary) + 1;
}
else
{
targetIndex = 0;
}
MergedDictionaries.Insert(targetIndex, themeDictionary);
_mergedThemeDictionary = themeDictionary;
}
}
else
{
if (_mergedThemeDictionary != null)
{
MergedDictionaries.Remove(_mergedThemeDictionary);
_mergedThemeDictionary = null;
}
}
}
