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LeftA – PB Docs 150 – PowerBuilder Library

LeftA – PB Docs 150

LeftA DataWindow expression function

Description

Obtains a specified number of bytes from the beginning of
a string.

Syntax

Argument

Description

string

The string containing the characters
you want

n

A long specifying the number of bytes
you want

Return Values

String. Returns the characters in the leftmost n bytes
in string if it succeeds and the empty string
(“”) if an error occurs.

If n is greater than or equal to the
length of the string, LeftA returns the entire string.
It does not add spaces to make the return value’s length
equal to n.

Usage

LeftA replaces the functionality that Left had
in DBCS environments in PowerBuilder 9. In SBCS environments, Left and LeftA return
the same results.

See Also


Document get from Powerbuilder help
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