The inquire_forms statement lets you retrieve information at run time from the FRS, which manages many aspects of the forms displayed as an application runs.

For a large set of form objects and for the FRS itself, Ingres provides a set of constants containing information you can use to perform conditional processing, error handling, determine whether a field or column is derived, and so on. For each type of object, the inquire_forms statement returns a different set of constants. See Inquire_forms for more details. Inquire_forms does not operate on arrays.

The examples below show how to use inquire_forms to determine cursor location during an application. The first example finds the field (in the current form) on which the cursor currently rests:

In the following example, inquire_forms determines the row and column position of the cursor so that a message can be displayed beneath the current cursor location: