/// <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,
ElementSet elements)
{
Autodesk.Revit.UI.Result returnCode = Autodesk.Revit.UI.Result.Cancelled;
Transaction tran = new Transaction(commandData.Application.ActiveUIDocument.Document, "Initialize Command");
tran.Start();
try
{
// one instance of DoorSwingData class.
DoorSwingData databuffer = new DoorSwingData(commandData.Application);
using (InitializeForm initForm = new InitializeForm(databuffer))
{
// Show UI
DialogResult dialogResult = initForm.ShowDialog();
if (DialogResult.OK == dialogResult)
{
databuffer.DeleteTempDoorInstances();
// update door type's opening feature based on family's actual geometry and
// country's standard.
databuffer.UpdateDoorFamiliesOpeningFeature();
// update each door instance's Opening feature and internal door flag
returnCode = DoorSwingData.UpdateDoorsInfo(commandData.Application.ActiveUIDocument.Document, false, true, ref message);
}
}
}
catch (Exception ex)
{
// if there is anything wrong, give error information and return failed.
message = ex.Message;
returnCode = Autodesk.Revit.UI.Result.Failed;
}
if (Autodesk.Revit.UI.Result.Succeeded == returnCode)
{
tran.Commit();
}
else
{
tran.RollBack();
}
return(returnCode);
}