Family Parameter GUID Property

The globally unique identifier

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

public Guid GUID { get; }

Public ReadOnly Property GUID As Guid
	Get

public:
property Guid GUID {
	Guid get ();
}

member GUID : Guid with get

Property Value

Guid

Exceptions

Exception	Condition
InvalidOperationException	Thrown when the parameter is not a shared parameter.

Example

C++

foreach (FamilyParameter familyParam in familyDoc.FamilyManager.Parameters)
{
    string familyParamName = familyParam.Definition.Name;
    try
    {
        Guid guid = familyParam.GUID;
        TaskDialog.Show("Revit",familyParamName + " is shared. Guid is " + guid);
    }
    catch (System.Exception)
    {
        TaskDialog.Show("Revit",familyParamName + " is NOT shared");
    }
}

For Each familyParam As FamilyParameter In familyDoc.FamilyManager.Parameters
    Dim familyParamName As String = familyParam.Definition.Name
    Try
        Dim guid As Guid = familyParam.GUID
        TaskDialog.Show("Revit", familyParamName & " is shared. Guid is " & Convert.ToString(guid))
    Catch generatedExceptionName As System.Exception
        TaskDialog.Show("Revit", familyParamName & " is NOT shared")
    End Try

Reference

FamilyParameter Class

Autodesk.Revit.DB Namespace