RevitSdkSamples/SDK/Samples/GenericStructuralConnection/CS/Command.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using System.Windows.Forms;

using Autodesk.Revit;
using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Structure;
using Autodesk.Revit.UI;
using Autodesk.Revit.UI.Selection;

namespace Revit.SDK.Samples.GenericStructuralConnection.CS
{
    /// <summary>
    /// Demonstrate how to create a generic structural connection.
    /// </summary>
    [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]
    [Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)]
    [Autodesk.Revit.Attributes.Journaling(Autodesk.Revit.Attributes.JournalingMode.NoCommandData)]
    public class Command : IExternalCommand
    {
        #region IExternalCommand Members

        /// <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 Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
        {
            Result ret = Result.Succeeded;
            try
            {
                // Get the document from external command data.
                UIDocument activeDoc = commandData.Application.ActiveUIDocument;

                using (StructuralConnectionForm frm = new StructuralConnectionForm())
                {
                    DialogResult result = frm.ShowDialog();
                    if (result == DialogResult.OK)
                    {
                        CommandOption opt = frm.UserOption;
                        switch (opt)
                        {
                            case CommandOption.CreateGeneric:
                            {
                                ret = GenericStructuralConnectionOps.CreateGenericStructuralConnection(activeDoc, ref message);
                                break; 
                            }
                            case CommandOption.DeleteGeneric:
                            {
                                ret = GenericStructuralConnectionOps.DeleteGenericStructuralConnection(activeDoc, ref message);
                                break; 
                            }
                            case CommandOption.ReadGeneric:
                            {
                                ret = GenericStructuralConnectionOps.ReadGenericStructuralConnection(activeDoc, ref message);
                                break; 
                            }
                            case CommandOption.UpdateGeneric:
                            {
                                ret = GenericStructuralConnectionOps.UpdateGenericStructuralConnection(activeDoc, ref message);
                                break;
                            }
                            case CommandOption.CreateDetailed:
                            {
                                ret = DetailedStructuralConnectionOps.CreateDetailedStructuralConnection(activeDoc, ref message);
                                break;
                            }
                            case CommandOption.ChangeDetailed:
                            {
                                ret = DetailedStructuralConnectionOps.ChangeDetailedStructuralConnection(activeDoc, ref message);
                                break;
                            }
                            case CommandOption.CopyDetailed:
                            {
                                ret = DetailedStructuralConnectionOps.CopyDetailedStructuralConnection(activeDoc, ref message);
                                break;
                            }
                            case CommandOption.MatchPropDetailed:
                            {
                                ret = DetailedStructuralConnectionOps.MatchPropertiesDetailedStructuralConnection(activeDoc, ref message);
                                break;
                            }
                            case CommandOption.ResetDetailed:
                            {
                                ret = DetailedStructuralConnectionOps.ResetDetailedStructuralConnection(activeDoc, ref message);
                                break;
                            }
                        }
                    }
                    else
                    {
                        ret = Result.Cancelled;
                    }
                }
            }
            catch (Exception e)
            {
                message = e.Message;
                ret = Result.Failed;
            }

            return ret;
        }

        #endregion
    }
}