Parameter.ClearValue
Public Class
InvalidOperationException
Clears the parameter to its initial value.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
public bool ClearValue()
Return Value
Boolean
The ClearValue method will return True if the parameter was successfully cleared to its initial value, otherwise false.
Exceptions
Exception
Condition
InvalidOperationException
The parameter is read-only, or the parameter is not a shared parameter, or the shared parameter has HideWhenNoValue set to false.
Remarks
This method will only succeed for Shared parameters that have their HideWhenNoValue property set to true.