Table display service

Table 1. System variables: Table display service
Name	Pool	Type	Len	Description
ZTDADD	func	out	3	More rows needed to satisfy scroll request (YES\|NO)
ZTDAMT	func	out	4	Number of rows that the dialog should add to satisfy scroll up to 9999. Set to 9999 when number of rows is greater than 9999.
ZTDAMTL	func	out	8	Number of rows that the dialog should add to satisfy scroll
ZTDLROWS	func	in	6	Number of rows in the logical table (dynamic table expansion)
ZTDLTOP	func	in	6	Maps current top row in physical table to its position in logical table.
ZTDMARK	any	in	See note	User-defined text for table display Bottom-of-Data marker Note: Value can be any length that is not more than the screen width.
ZTDMSG	any	in	8	User-defined message ID for table display top-row-displayed indicator
ZTDRET	func	in	8	Defines whether dialog wants to use scroll return feature.
ZTDROWS	func	out	6	Number of table rows upon return from table display
ZTDSCRP	func	in/out	6	CRP of top row to be displayed after the scroll
ZTDSELS	func	out	4	Number of selected table rows upon return from each table display
ZTDSIZE	func	out	4	Size (number of model sets) of the table display scrollable section
ZTDSRID	func	out	6	Rowid of the row pointed to by ZTDSCRP
ZTDTOP	func	out	6	Row number (CRP) of top row displayed during most recent table display
ZTDVROWS	func	out	6	Number of visible table rows upon return from table display