Returns all global parameters available in the given document.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since:  2016 Subscription Update

Syntax

C#
public static ISet<ElementId> GetAllGlobalParameters(
	Document document
)
Visual Basic
Public Shared Function GetAllGlobalParameters ( _
	document As Document _
) As ISet(Of ElementId)
Visual C++
public:
static ISet<ElementId^>^ GetAllGlobalParameters(
	Document^ document
)

Parameters

document
Type: Autodesk.Revit.DB..::..Document
The document containing the global parameters

Return Value

A collection of Element Ids of global parameter elements.

Examples

CopyC#
/// <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>();
}
CopyVB.NET
' <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 Function GetAllGlobalParameters(document As Document) As ISet(Of ElementId)
    ' Global parameters are not available in all documents.
    ' They are available in projects, but not in families.
    If GlobalParametersManager.AreGlobalParametersAllowed(document) Then
        Return GlobalParametersManager.GetAllGlobalParameters(document)
    End If

    ' return an empty set if global parameters are not available in the document
    Return New HashSet(Of ElementId)()
End Function

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..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.
Autodesk.Revit.Exceptions..::..ArgumentNullException A non-optional argument was NULL

See Also