P

Element.DemolishedPhaseId

Description:
Id of a Phase at which the Element was demolished.

Remarks:
After setting the property, DemolishedPhaseId regeneration can fail if CreatedPhaseId and DemolishedPhaseId are out of order with respect to their index in the property Document.Phases. Can be set to invalid element id.

public ElementId DemolishedPhaseId { get; set; }

Public Property DemolishedPhaseId As ElementId
Get
Set

public:
property ElementId^ DemolishedPhaseId {
	ElementId^ get ();
	void set (ElementId^ value);
}

void ShowPhaseDemolishedName(Element element)
{
    // Get the Phase Demolished property, and check whether it be null
    Autodesk.Revit.DB.Phase phaseDemolished = element.Document.GetElement(element.DemolishedPhaseId) as Phase;
    if (null == phaseDemolished)
    {
        TaskDialog.Show("Revit","This Element doesn't have Phase Demolished parameter.");
    }
    else
    {
        // Show the Phase Demolished name to the user.
        String prompt = "The phase demolished is: " + phaseDemolished.Name;
        TaskDialog.Show("Revit",prompt);
    }
}

Private Sub ShowPhaseDemolishedName(element As Element)
    ' Get the Phase Demolished property, and check whether it be null
    Dim phaseDemolished As Autodesk.Revit.DB.Phase = TryCast(element.Document.GetElement(element.DemolishedPhaseId), Phase)
    If phaseDemolished Is Nothing Then
        TaskDialog.Show("Revit", "This Element doesn't have Phase Demolished parameter.")
    Else
        ' Show the Phase Demolished name to the user.
        Dim prompt As [String] = "The phase demolished is: " + phaseDemolished.Name
        TaskDialog.Show("Revit", prompt)
    End If
End Sub

Autodesk.Revit.Exceptions.ArgumentException

When setting this property: The element does not allow setting the property DemolishedPhaseId to the value of demolishedPhaseId. -or- When setting this property: Invalid order of phases: An object cannot be demolished before it was created.
Autodesk.Revit.Exceptions.ArgumentNullException

When setting this property: A non-optional argument was null
Autodesk.Revit.Exceptions.InvalidOperationException

When setting this property: The element does not have properties CreatedPhaseId and DemolishedPhaseId. -or- When setting this property: The element does not allow setting the properties CreatedPhaseId and DemolishedPhaseId.