Document IDocumentFactory.CreateDocument(DocumentProjectItem projectItem, bool readOnly, DocumentMode mode, DocumentViewType initialView, out DocumentWindow documentWindow, out DesignerHost designerHost) { if (projectItem == null) { throw new ArgumentNullException("projectItem"); } Document document = new ImageDocument(projectItem); designerHost = new DesignerHost(document); document.Load(readOnly); documentWindow = new ImageDocumentWindow(designerHost, document); return document; }