MidA DataWindow expression function
Description
Obtains a specified number of bytes from a specified position
in a string.
Syntax
|
1 |
<span>MidA</span> ( <span>string</span>, <span>start</span> {, <span>length</span> } ) |
|
Argument |
Description |
|---|---|
|
string |
The string from which you want characters |
|
start |
A long specifying the position of the |
|
length (optional) |
A long whose value is the number of bytes |
Return Values
String. Returns characters specified by the number of bytes
in length of string starting
at the byte specified by start. If start is
greater than the number of bytes in string,
the MidA function returns the empty string (“”).
If length is greater than the number of bytes
remaining after the start byte, MidA returns
the remaining bytes. The return string is not filled with spaces
to make it the specified length.
Usage
MidA replaces the functionality that Mid had
in DBCS environments in PowerBuilder 9. In SBCS environments, Mid and MidA return
the same results.
See Also
-
MidA in the PowerScript Reference