Retrieve/set the top offset of the form object. It is only valid for locked form.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)

Syntax

C#
`public double TopOffset { get; set; }`

Visual Basic
`Public Property TopOffset As Double Get Set`

Visual C++
`public: property double TopOffset { double get (); void set (double value); }`

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions InvalidOperationException	Thrown when this is not a locked form.
Autodesk.Revit.Exceptions ArgumentException	Thrown when the value is invalid.
Autodesk.Revit.Exceptions ApplicationException	Thrown when it fail to get/set TopOffset.