private void ReplaceNamespace(string codeFile, string newNamespace)
{
string fileContents = FileManager.FromFileText(codeFile);
int indexOfNamespaceStart = fileContents.IndexOf("namespace ") + "namespace ".Length;
int indexOfEndOfNamespace = fileContents.IndexOf("\r", indexOfNamespaceStart);
fileContents = fileContents.Remove(indexOfNamespaceStart, indexOfEndOfNamespace - indexOfNamespaceStart);
fileContents = fileContents.Insert(indexOfNamespaceStart, newNamespace);
FileManager.SaveText(fileContents, codeFile);
}