Set the Layout property to FixedNumber.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)

Syntax

C#
`public void SetLayoutFixedNumber( int number, SpacingRuleJustification just, double gridlinesRotation, double offset )`

Visual Basic
`Public Sub SetLayoutFixedNumber ( _ number As Integer, _ just As SpacingRuleJustification, _ gridlinesRotation As Double, _ offset As Double _ )`

Visual C++
`public: void SetLayoutFixedNumber( int number, SpacingRuleJustification just, double gridlinesRotation, double offset )`

Remarks

When changing the Layout to FixedNumber, you must also simultaneously set the Number, Justification, GridlinesRotation, and Offset properties.