private void Document_OnSaveAsDocument(object sender, Document.Framework.Event.DocumentSaveAsEventArgs e) { var dialog = new SaveFileDialog() { Filter = "Project File(s)|*.qbp" }; if (dialog.ShowDialog(this) == DialogResult.OK) { ProjectLoader.Save(dialog.FileName, project); document.DocumentFileName = dialog.FileName; document.IsDocumentModified = false; } }