System.Resources.WindowsRuntimeResourceManager.GetString C# (CSharp) Méthode

        public override String GetString(String stringName,
                 String startingCulture, String neutralResourcesCulture)
        {
            Debug.Assert(stringName != null);
            Debug.Assert(_resourceMap != null); // Should have been initialized by now

            ResourceCandidate resourceCandidate = null;

            stringName = UriUtility.UriEncode(stringName);

            if (startingCulture == null && neutralResourcesCulture == null)
            {
#pragma warning disable 618
                resourceCandidate = _resourceMap.GetValue(stringName);
#pragma warning restore 618
            }
            else
            {
                Debug.Assert(_clonedResourceContext != null); // Should have been initialized by now
                Debug.Assert(_clonedResourceContextFallBackList != null); // Should have been initialized by now
                Debug.Assert(s_globalResourceContextFallBackList != null); // Should have been initialized by now
                Debug.Assert(s_globalResourceContextFallBackList.Length > 0); // Should never be empty

                // We need to modify the culture fallback list used by the Modern Resource Manager
                // The starting culture has to be looked up first, and neutral resources culture has
                // to be looked up last.

                string newResourceFallBackList = null;

                newResourceFallBackList =
                    (startingCulture == null ? "" : startingCulture + ";") +
                       s_globalResourceContextFallBackList + // Our tests do not test this line of code, so be extra careful if you modify or move it.
                    (neutralResourcesCulture == null ? "" : ";" + neutralResourcesCulture);

                lock (_clonedResourceContext)
                {
                    // s_globalResourceContextFallBackList may have changed on another thread by now.
                    // We cannot prevent that from happening because it may have happened on a native
                    // thread, and we do not share the same lock mechanisms with native code.
                    // The worst that can happen is that a string is unexpectedly missing
                    // or in the wrong language.

                    if (!String.Equals(newResourceFallBackList, _clonedResourceContextFallBackList, StringComparison.Ordinal))
                    {
                        _clonedResourceContext.Languages = StringToReadOnlyList(newResourceFallBackList);
                        _clonedResourceContextFallBackList = newResourceFallBackList;
                    }

                    resourceCandidate = _resourceMap.GetValue(stringName, _clonedResourceContext);
                }
            }

            if (resourceCandidate != null)
                return resourceCandidate.ValueAsString;

            return null;
        }
    }