d8c63c8f__Glines___Chapter_10__Dialogs___Modality
[Type of Dialog] Working [When to Use It] When an operation takes more than 5 seconds to complete. This dialog gives users the chance to cancel or stop the operation. Note that you might have to choose one of several different platforms as your standard for estimating times of operations. Also note that the pointer shape might need to change to the watch if the Working dialog is modal; see “Standard Pointer Shapes and Colors” in Chapter 11. [Modality] 
Modeless or modal
M o d e l e s s o r m o d a l
A p p l i c a t i o n - m o d a l
M o d e l e s s
SGI TPL (IRIX 6.5: Developer/UI_Glines - Chapter 10. Dialogs)