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This
appendix discusses additional features of the ProvideX
language, such as file options, labels, launch command
syntax, operators, and control codes. It also includes
supplementary information regarding preset system limits,
error messages, and reserved words. Section headings,
page numbers, and outlines are listed below:
COM Ports and Serial
Devices |
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Methods for
opening a COM port for direct serial communication and
access to serial devices.
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Input/Output and Control
Options |
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Various
options that can be included in a directive or system
function to fine tune code and redirect processing.
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Data Format Masks |
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Character
string masks used to define data (input/output) in
ProvideX.
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Labels/Logical Statement
References |
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Built-in
statement labels that can be used instead of line number
references in applications.
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Displaying Bitmaps/Icons |
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Associating
images (bitmaps or icons) for use within a ProvideX
program.
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Negative CTL Definitions |
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Actions that
are assigned to negative CTL values, and have special
significance to ProvideX.
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Operators |
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All
operators that can be used in ProvideX, including:
property, assignment, auto-increment/decrement, LIKE,
and the Apostrophe Operator.
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System Limits |
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Preset
system limits of ProvideX.
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Reserved Words |
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Words that
are reserved for internal use by ProvideX.
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Error Codes and Messages |
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The numeric
system variable ERR, error codes, and
the messages associated with errors detected by ProvideX.
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