PKStudio.Helpers.EditorsFormsController.OpenTextEditor C# (CSharp) Method

        private SourceFileEditor OpenTextEditor(string Path)
        {
            bool exist = false;

            foreach (DockContent item in DockPanel.Contents)
            {
                if (item.GetType() == typeof(PKStudio.Forms.Editors.SourceFileEditor))
                {

                    PKStudio.Forms.Editors.SourceFileEditor editor = (PKStudio.Forms.Editors.SourceFileEditor)item;

                    if (editor.EditingFilePath == Path)
                    {
                        editor.Show();
                        return editor;
                    }
                }
            }

            if (!exist)
            {
                SFE = new Forms.Editors.SourceFileEditor();
                SFE.OpenContainingFolderEvent += new EventHandler<Forms.BaseForms.PathEventArgs>(OpenContainingFolderEvent);
                if (SFE.SetFile(Path))
                    SFE.Show(DockPanel, DockState.Document);
                return SFE;
            }
            return null;
        }