Tests that the given expression is a valid as formula for this parameter.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0)
Since: 2016 Subscription Update
Syntax
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Parameters
- expression
- Type: System String
Remarks
Use this method to test validity of a formula before assigning it to a global parameter when in doubt whether it is an acceptable expression or not.
Exceptions
Exception | Condition |
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Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was null |