NilObjectException

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NilObjectException class
Available on
General
Superclass	RuntimeException
Interfaces	none
Constants
none
Methods
none
Properties
none
Events
none
NOTE: You can get descriptions of the items above from the REALbasic documentation.

A NilObjectException is raised when an attempt is made to access a property or call a method using a nil object reference. Also, some framework classes raise a NilObjectException when a nil object is passed as a parameter.

[edit] Sample code

dim w as Window1  // w is reserved, but no window is yet created, so w = nil.
//
// w = new Window1
//uncomment the previous line (remove //) to avoid the NilObjectException
//
w.Show //a NilObjectException is raised when w.Show is executed.