/// <summary>
/// Implement this method as an external command for Revit.
/// </summary>
/// <param name="revit">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 revit, ref String message, Autodesk.Revit.DB.ElementSet elements)
{
m_revit = revit;
UnitType = m_revit.Application.ActiveUIDocument.Document.GetUnits().GetFormatOptions(Autodesk.Revit.DB.UnitType.UT_Length).DisplayUnits;
Transaction documentTransaction = new Transaction(revit.Application.ActiveUIDocument.Document, "Document");
documentTransaction.Start();
try
{
//Get every level by iterating through all elements
systemLevelsDatum = new List <LevelsDataSource>();
FilteredElementCollector collector = new FilteredElementCollector(m_revit.Application.ActiveUIDocument.Document);
ICollection <Element> collection = collector.OfClass(typeof(Level)).ToElements();
foreach (Element element in collection)
{
Level systemLevel = element as Level;
LevelsDataSource levelsDataSourceRow = new LevelsDataSource();
levelsDataSourceRow.LevelIDValue = systemLevel.Id.IntegerValue;
levelsDataSourceRow.Name = systemLevel.Name;
Parameter elevationPara = systemLevel.get_Parameter(BuiltInParameter.LEVEL_ELEV);
double temValue = Unit.CovertFromAPI(UnitType, elevationPara.AsDouble());
double temValue2 = double.Parse(temValue.ToString("#.0"));
levelsDataSourceRow.Elevation = temValue2;
systemLevelsDatum.Add(levelsDataSourceRow);
}
using (LevelsForm displayForm = new LevelsForm(this))
{
displayForm.ShowDialog();
}
}
catch (Exception ex)
{
message = ex.Message;
documentTransaction.RollBack();
return(Autodesk.Revit.UI.Result.Failed);
}
documentTransaction.Commit();
return(Autodesk.Revit.UI.Result.Succeeded);
}
/// <summary>
/// Implement this method as an external command for Revit.
/// </summary>
/// <param name="revit">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 revit, ref String message, Autodesk.Revit.DB.ElementSet elements)
{
m_revit = revit;
UnitType = m_revit.Application.ActiveUIDocument.Document.ProjectUnit.get_FormatOptions(Autodesk.Revit.DB.UnitType.UT_Length).Units;
Transaction documentTransaction = new Transaction(revit.Application.ActiveUIDocument.Document, "Document");
documentTransaction.Start();
try
{
//Get every level by iterating through all elements
systemLevelsDatum = new List<LevelsDataSource>();
FilteredElementCollector collector = new FilteredElementCollector(m_revit.Application.ActiveUIDocument.Document);
ICollection<Element> collection = collector.OfClass(typeof(Level)).ToElements();
foreach (Element element in collection)
{
Level systemLevel = element as Level;
LevelsDataSource levelsDataSourceRow = new LevelsDataSource();
levelsDataSourceRow.LevelIDValue = systemLevel.Id.IntegerValue;
levelsDataSourceRow.Name = systemLevel.Name;
Parameter elevationPara = systemLevel.get_Parameter(BuiltInParameter.LEVEL_ELEV);
double temValue = Unit.CovertFromAPI(UnitType, elevationPara.AsDouble());
double temValue2 = double.Parse(temValue.ToString("#.0"));
levelsDataSourceRow.Elevation = temValue2;
systemLevelsDatum.Add(levelsDataSourceRow);
}
using (LevelsForm displayForm = new LevelsForm(this))
{
displayForm.ShowDialog();
}
}
catch (Exception ex)
{
message = ex.Message;
documentTransaction.RollBack();
return Autodesk.Revit.UI.Result.Failed;
}
documentTransaction.Commit();
return Autodesk.Revit.UI.Result.Succeeded;
}
