/// <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.UI.UIApplication revit = commandData.Application; UIDocument project = revit.ActiveUIDocument; // Find the selection of beams in Revit ElementSet selection = project.Selection.Elements; foreach (Autodesk.Revit.DB.Element e in selection) { FamilyInstance m = e as FamilyInstance; if (null != m) { if (StructuralType.Beam == m.StructuralType) { // Store all the beams the user selected in Revit m_beamCollection.Add(e); } } } if (0 == m_beamCollection.Count) { message = "Can not find any beams."; return(Autodesk.Revit.UI.Result.Failed); } // Make sure all the beams have horizontal analytical line if (!CheckBeamHorizontal()) { message = m_errorInformation; return(Autodesk.Revit.UI.Result.Failed); } // Search all the wall types in the Revit FilteredElementCollector filteredElementCollector = new FilteredElementCollector(project.Document); filteredElementCollector.OfClass(typeof(WallType)); m_wallTypeCollection = filteredElementCollector.Cast <WallType>().ToList <WallType>(); // Show the dialog for the user select the wall style using (CreateWallsUnderBeamsForm displayForm = new CreateWallsUnderBeamsForm(this)) { if (DialogResult.OK != displayForm.ShowDialog()) { return(Autodesk.Revit.UI.Result.Failed); } } // Create the walls which along and under the path of the beams. if (!BeginCreate(project.Document)) { message = m_errorInformation; return(Autodesk.Revit.UI.Result.Failed); } // If everything goes right, return succeeded. return(Autodesk.Revit.UI.Result.Succeeded); }
/// <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.UI.UIApplication revit = commandData.Application; UIDocument project = revit.ActiveUIDocument; // Find the selection of beams in Revit ElementSet selection = project.Selection.Elements; foreach (Autodesk.Revit.DB.Element e in selection) { FamilyInstance m = e as FamilyInstance; if (null != m) { if (StructuralType.Beam == m.StructuralType) { // Store all the beams the user selected in Revit m_beamCollection.Add(e); } } } if (0 == m_beamCollection.Count) { message = "Can not find any beams."; return Autodesk.Revit.UI.Result.Failed; } // Make sure all the beams have horizontal analytical line if (!CheckBeamHorizontal()) { message = m_errorInformation; return Autodesk.Revit.UI.Result.Failed; } // Search all the wall types in the Revit foreach (WallType wallType in project.Document.WallTypes) { if (null == wallType) { continue; } m_wallTypeCollection.Add(wallType); } // Show the dialog for the user select the wall style using(CreateWallsUnderBeamsForm displayForm = new CreateWallsUnderBeamsForm(this)) { if (DialogResult.OK != displayForm.ShowDialog()) { return Autodesk.Revit.UI.Result.Failed; } } // Create the walls which along and under the path of the beams. if (!BeginCreate(project.Document)) { message = m_errorInformation; return Autodesk.Revit.UI.Result.Failed; } // If everything goes right, return succeeded. return Autodesk.Revit.UI.Result.Succeeded; }