The following table summarizes
the special considerations for logical expressions
in relation to Text UI forms.
Table 1. Elementary logical
expressions| First
operand |
Comparison
Operator |
Second
operand |
| textField.
The name of
a field in a text form. |
One of these:
|
One of these: - blanks.
Keyword for testing whether the value
of the text field is or is not limited to blanks or null values.
The
test
for blanks is based on the user's last input to the form, not on the
current
contents of the form field; and a test that uses is is
true in these cases: - The user's last input was blanks or null
values.
- The user entered no data in the field since the start
of the program or
since a set form initial statement.
- cursor. Keyword for testing whether
the user
left the cursor in the specified text field.
- data.
Keyword for testing whether data other
than blanks or nulls is in the specified text field.
- modified.
Keyword for testing whether the field's
modified data tag is set, as described in Modified data tag and modified property.
- numeric.
Keyword for testing whether the value
of a CHAR or MBCHAR field is numeric.
|
| converseVar.eventKey |
One of these:
|
For
possible event key values, see eventKey. |