Gets the identifiers of all valid symbols for the unit in this FormatOptions.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2014

Syntax

C#
`public IList<ForgeTypeId> GetValidSymbols()`

Visual Basic
`Public Function GetValidSymbols As IList(Of ForgeTypeId)`

Visual C++
`public: IList<ForgeTypeId^>^ GetValidSymbols()`

Identifiers of the valid symbols.

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions InvalidOperationException	UseDefault is true in this FormatOptions.