I want to display my resource dictionary items with my custom design view, i want to make a ListView to show the keys with the values. and can edit withing the design view.
-i want to be able to edit my dictionary within visual studio desiner.

I want to display my resource dictionary items with my custom design view, i want to make a ListView to show the keys with the values. and can edit withing the design view.
-i want to be able to edit my dictionary within visual studio desiner.

I think you can use Keys and Values properties of resourceDictionary instance below.
string exeFilePath = System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase;
string exeDirPath = System.IO.Path.GetDirectoryName(exeFilePath);
string targetFile = "subFolder\\ResourceDictionary.xaml";
string dictionaryPath = new Uri(System.IO.Path.Combine(exeDirPath, targetFile)).LocalPath;
string xamlString = File.ReadAllText(dictionaryPath);
ResourceDictionary resourceDictionary = (ResourceDictionary)XamlReader.Parse(xamlString);