protected SelectDiagramViewModel() { var storage = new DiagramStorage(); Names = storage.DiagramData.Select(x => x.Name).ToArray(); SelectedName = Names.FirstOrDefault(); }
private void OnCustomLoadDocument(object sender, DevExpress.Xpf.Diagram.DiagramCustomLoadDocumentEventArgs e) { if (e.DocumentSource == null) { diagram.NewDocument(); return; } var storage = new DiagramStorage(); var diagramInfo = storage.DiagramData.FirstOrDefault(x => x.Name == (string)e.DocumentSource); if (diagramInfo != null) { diagram.LoadDocument(new MemoryStream(diagramInfo.Data)); } e.Handled = true; }
private void OnCustomSaveDocument(object sender, DevExpress.Xpf.Diagram.DiagramCustomSaveDocumentEventArgs e) { var storage = new DiagramStorage(); var diagramInfo = storage.DiagramData.FirstOrDefault(x => x.Name == (string)e.DocumentSource); if (diagramInfo == null) { diagramInfo = new DiagramData() { Name = (string)e.DocumentSource }; storage.DiagramData.Add(diagramInfo); } var stream = new MemoryStream(); diagram.SaveDocument(stream); diagramInfo.Data = stream.ToArray(); storage.SaveChanges(); e.Handled = true; }