Close #1506

Author: Hosch250

RetailCoder.VBE/App.cs

@@ -335,7 +335,8 @@ async void sink_ProjectRenamed(object sender, DispatcherRenamedEventArgs<VBProje
 
             _logger.Debug("Project '{0}' (ID {1}) was renamed to '{2}'.", e.OldName, e.Item.HelpFile, e.Item.Name);
 
-            // note: if a bug is discovered with renaming a project, it may just need to be removed and readded.
+            _parser.State.RemoveProject(e.Item.HelpFile);
+            _parser.State.AddProject(e.Item);
 
             _parser.State.OnParseRequested(sender);
         }

RetailCoder.VBE/Refactorings/Rename/RenameRefactoring.cs

@@ -203,6 +203,7 @@ private void Rename()
             else if (_model.Target.DeclarationType == DeclarationType.Project)
             {
                 RenameProject();
+                return; // renaming a project automatically triggers a reparse
             }
             else
             {
@@ -263,7 +264,6 @@ private void RenameProject()
                 if (project != null)
                 {
                     project.Name = _model.NewName;
-                    _state.RemoveDeclaration(_model.Target);
                 }
             }
             catch (COMException)

Rubberduck.Parsing/VBA/RubberduckParserState.cs

@@ -109,10 +109,16 @@ public void AddProject(VBProject project)
 
         public void RemoveProject(string projectId)
         {
+            var project = Projects.FirstOrDefault(f => f.HelpFile == projectId);
             if (_projects.ContainsKey(projectId))
             {
                 _projects.Remove(projectId);
             }
+
+            if (project != null)
+            {
+                ClearStateCache(project);
+            }
         }
 
         public void RemoveProject(VBProject project)