M

GlobalParametersManager.GetAllGlobalParameters

Description:
Returns all global parameters available in the given document.

public static ISet<ElementId> GetAllGlobalParameters(
	Document document
)

Public Shared Function GetAllGlobalParameters ( 
	document As Document
) As ISet(Of ElementId)

public:
static ISet<ElementId^>^ GetAllGlobalParameters(
	Document^ document
)

static member GetAllGlobalParameters : 
        document : Document -> ISet<ElementId>

Document

document

The document containing the global parameters

Return Value ISet<ElementId> A collection of Element Ids of global parameter elements.

/// <summary>
/// Returns all global parameter elements defined in the given document. 
/// </summary>
/// <param name="document">Revit project document.</param>
/// <returns>A set of ElementIds of global parameter elements</returns>
public ISet<ElementId> GetAllGlobalParameters(Document document)
{
    // Global parameters are not available in all documents.
    // They are available in projects, but not in families.
    if (GlobalParametersManager.AreGlobalParametersAllowed(document))
    {
        return GlobalParametersManager.GetAllGlobalParameters(document);
    }

    // return an empty set if global parameters are not available in the document
    return new HashSet<ElementId>();
}

ArgumentException

Global parameters are not supported in the given document. A possible cause is that it is not a project document, for global parameters are not supported in Revit families.
ArgumentNullException

A non-optional argument was null