Entity.Clear(String)

Public Class

Resets the field to its default value.

Namespace: Autodesk.Revit.DB.ExtensibleStorage

Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

public void Clear(
  string fieldName
)

Parameters

fieldNameString

The name of the field to clear.

Exceptions

Exception

Condition

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ArgumentException

The name matches no field in this Entity’s Schema. -or- This field’s subschema prevents writing.

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ArgumentNullException

A non-optional argument was null

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InvalidOperationException

This Entity is invalid.

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Remarks

The default value is zero for numeric fields, invalid value for identifiers and entities, and empty for strings and containers. This method is a shortcut that will look up the field by name. If you want to call it on many entities, it is faster if you look up the field yourself.