/// <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;
}