/// <summary> /// Implement this method as an external command for Revit. /// </summary> /// <param name="commandData">An object that is passed to the external application /// which contains data related to the command, /// such as the application object and active view.</param> /// <param name="message">A message that can be set by the external application /// which will be displayed if a failure or cancellation is returned by /// the external command.</param> /// <param name="elements">A set of elements to which the external application /// can add elements that are to be highlighted in case of failure or cancellation.</param> /// <returns>Return the status of the external command. /// A result of Succeeded means that the API external method functioned as expected. /// Cancelled can be used to signify that the user cancelled the external operation /// at some point. Failure should be returned if the application is unable to proceed with /// the operation.</returns> public Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData, ref string message, Autodesk.Revit.DB.ElementSet elements) { Autodesk.Revit.DB.Transaction newTran = null; try { newTran = new Autodesk.Revit.DB.Transaction(commandData.Application.ActiveUIDocument.Document, "ViewPrinter"); newTran.Start(); PrintMgr pMgr = new PrintMgr(commandData); if (null == pMgr.InstalledPrinterNames) { PrintMgr.MyMessageBox("No installed printer, the external command can't work."); return(Autodesk.Revit.UI.Result.Cancelled); } using (PrintMgrForm pmDlg = new PrintMgrForm(pMgr)) { if (pmDlg.ShowDialog() != DialogResult.Cancel) { newTran.Commit(); return(Autodesk.Revit.UI.Result.Succeeded); } newTran.RollBack(); } } catch (Exception ex) { if (null != newTran) { newTran.RollBack(); } message = ex.ToString(); return(Autodesk.Revit.UI.Result.Failed); } return(Autodesk.Revit.UI.Result.Cancelled); }
/// <summary> /// Implement this method as an external command for Revit. /// </summary> /// <param name="commandData">An object that is passed to the external application /// which contains data related to the command, /// such as the application object and active view.</param> /// <param name="message">A message that can be set by the external application /// which will be displayed if a failure or cancellation is returned by /// the external command.</param> /// <param name="elements">A set of elements to which the external application /// can add elements that are to be highlighted in case of failure or cancellation.</param> /// <returns>Return the status of the external command. /// A result of Succeeded means that the API external method functioned as expected. /// Cancelled can be used to signify that the user cancelled the external operation /// at some point. Failure should be returned if the application is unable to proceed with /// the operation.</returns> public Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData, ref string message, Autodesk.Revit.DB.ElementSet elements) { Autodesk.Revit.DB.Transaction newTran = null; try { newTran = new Autodesk.Revit.DB.Transaction(commandData.Application.ActiveUIDocument.Document, "ViewPrinter"); newTran.Start(); PrintMgr pMgr = new PrintMgr(commandData); if (null == pMgr.InstalledPrinterNames) { PrintMgr.MyMessageBox("No installed printer, the external command can't work."); return Autodesk.Revit.UI.Result.Cancelled; } using (PrintMgrForm pmDlg = new PrintMgrForm(pMgr)) { if (pmDlg.ShowDialog() != DialogResult.Cancel) { newTran.Commit(); return Autodesk.Revit.UI.Result.Succeeded; } newTran.RollBack(); } } catch (Exception ex) { if (null != newTran) newTran.RollBack(); message = ex.ToString(); return Autodesk.Revit.UI.Result.Failed; } return Autodesk.Revit.UI.Result.Cancelled; }