把ResourceDictionary保存为文件，从外部xaml文件加载ResourceDictionary

把ResourceDictionary保存为文件

Uri skinDictUri = new Uri(".\\Resources\\Skins\\skin.xaml", UriKind.Relative);

ResourceDictionary skinDict = Application.LoadComponent(skinDictionaryUri) as ResourceDictionary;

XmlWriter xmlWriter = XmlWriter.Create("c:\\a.xaml");

XamlWriter.Save(Application.LoadComponent(skinDictionaryUri), xmlWriter);

xmlWriter.Close();

从外部xaml文件加载ResourceDictionary

ResourceDictionary skinDict = new ResourceDictionary();

XmlTextReader txtReader = new XmlTextReader("c:\\a.xaml");

XmlReaderSettings settings = new XmlReaderSettings();

XmlReader xmlReader = XmlReader.Create(txtReader, settings);

skinDict = (ResourceDictionary)XamlReader.Load(xmlReader);