Syntax

C#
public Point2d MidPoint { get; }

Visual Basic
Public ReadOnly Property MidPoint As Point2d Get

Visual C++
public: property Point2d MidPoint { Point2d get (); }

Exceptions

Exception	Condition
System..::..InvalidOperationException	Thrown when: The property gets an invalid value according to the entity's constraint type. You attempt to set the property to an invalid value according to the entity's constraint type. The set operation is restricted by the entity's constraint type.