/// <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 virtual Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData
, ref string message, Autodesk.Revit.DB.ElementSet elements)
{
Transaction trans = new Transaction(commandData.Application.ActiveUIDocument.Document, "Revit.SDK.Samples.VisibilityControl");
trans.Start();
try
{
if (null == commandData)
{
trans.RollBack();
throw new ArgumentNullException("commandData");
}
// create an instance of VisibilityCtrl
VisibilityCtrl visiController = new VisibilityCtrl(commandData.Application.ActiveUIDocument);
// create a user interface form
using (VisibilityCtrlForm dlg = new VisibilityCtrlForm(visiController))
{
// show dialog
System.Windows.Forms.DialogResult result = dlg.ShowDialog();
if (result == System.Windows.Forms.DialogResult.OK)
{
trans.Commit();
return(Autodesk.Revit.UI.Result.Succeeded);
}
else if (result == System.Windows.Forms.DialogResult.Yes)
{
// isolate the selected element(s)
visiController.Isolate();
trans.Commit();
return(Autodesk.Revit.UI.Result.Succeeded);
}
}
trans.RollBack();
return(Autodesk.Revit.UI.Result.Cancelled);
}
catch (Exception ex)
{
message = ex.Message;
trans.RollBack();
return(Autodesk.Revit.UI.Result.Failed);
}
}
/// <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 virtual Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData
, ref string message, Autodesk.Revit.DB.ElementSet elements)
{
try
{
if (null == commandData)
{
throw new ArgumentNullException("commandData");
}
// create an instance of VisibilityCtrl
VisibilityCtrl visiController = new VisibilityCtrl(commandData.Application.ActiveUIDocument);
// create a user interface form
using (VisibilityCtrlForm dlg = new VisibilityCtrlForm(visiController))
{
// show dialog
System.Windows.Forms.DialogResult result = dlg.ShowDialog();
if (result == System.Windows.Forms.DialogResult.OK)
{
return Autodesk.Revit.UI.Result.Succeeded;
}
else if (result == System.Windows.Forms.DialogResult.Yes)
{
// isolate the selected element(s)
visiController.Isolate();
return Autodesk.Revit.UI.Result.Succeeded;
}
}
return Autodesk.Revit.UI.Result.Cancelled;
}
catch (Exception ex)
{
message = ex.Message;
return Autodesk.Revit.UI.Result.Failed;
}
}