The InformationDialog Widget is basically the same as the WarningDialog.
The main difference being the icon used to distinguish between the two (Fig 6.2).
InformationDialogs are meant to supply program information or help.
The mechanisms to create such a widget is exactly the same as for the WarningDialog except that the XmCreateInformationDialog() routine is called.
Fig. 6.2 InformationDialog Widget