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Presentation Space Positions

When specifying a location within a presentation space, Screen object methods use column and row coordinates to specify the cursor position. Standard presentation space sizes for supported terminal types are shown in the table below.

Note, however, that the actual presentation space size is based on the Display Properties, as specified in the terminal configuration.

Terminal
Type

Rows

Columns
Total
Size
3270 24 80 1,920
32 80 2,560
43 80 3,440
27 132 3,564
5250 24 80 1,920
27 132 3,564
T27 24 80 1,920
UTS 24 80 1,920
24 132 3,168
VT 24, 25, 36,
48, 72, or 144
80 or 132 1,920 to
19,008
ALC 14 64 960
23 64 1,472
23 80 1,840
30 64 1,920
24 80 1,920
Note The row totals shown in the table above do not include the operator information area (OIA). The OIA, also known as the status line, appears at the bottom of each screen and contains information about the session status (such as which mode the screen is in) and other information (the location of the cursor, for example).

A T27 session can also display a line of information between the presentation space and the OIA; this is known as the user message. You can obtain this information using the SDK getOIAText method.

The sizes shown in the table above are configured sizes, and represent the largest possible presentation-space sizes for each terminal. Host applications can specify a subset of the presentation space to use; when this happens, the result is the current size. The current size is always less than or equal to the configured size. The Attachmate e-Vantage Airlines SDK objects can work with either configured sizes or current sizes.

Related Topics
The Presentation Space
Fields and Attributes
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