Environment Properties

The background color.

The background image texture.

The background projection.

Indicates if this object has been disposed or the document it originally belonged to has been disposed.

Gets true if this class has any custom information attached to it through UserData.

If true this object may not be modified. Any properties or functions that attempt to modify this object when it is set to "IsReadOnly" will throw a NotSupportedException.

Tests an object to see if it is valid.

List of custom information that is attached to this class.

Dictionary of custom information attached to this class. The dictionary is actually user data provided as an easy to use shareable set of information.