A display condition that evaluates to a user-defined value. This is commonly used to hide primitives by assigning to a primitive a display condition that always returns false.

Initialize	Initializes a default constant display condition. Display is set to false so when this display condition is assigned to an object, such as a primitive, the object is not rendered.
InitializeDisplay	Initializes a constant display condition with the value the display condition evaluates to.

IAgStkGraphicsConstantDisplayConditionFactory Members  | Display Conditions Overview