Set Current Window (QsnSetCurWin) API

Required Parameter:

Window handle

Input

Binary(4)

Omissible Parameter:

Error code

I/O

Char(*)

Returned Value:

Return code

Output

Binary(4)

  Default Public Authority: *USE

  Service Program: QSNAPI

  Threadsafe: No

The Set Current Window (QsnSetCurWin) API makes the given window the current window. The QsnSetCurWin API draws the window with the current window border attribute, if specified. The Current Window exit routine, if specified on the window description, is called after the given window becomes current. The current window overlays all other windows on the display screen.

Authorities and Locks

None

Required Parameter

Window handle: INPUT; BINARY(4)
A handle for the window that will become current.

Omissible Parameter

Error code: I/O; CHAR(*)
The structure in which to return error information. For the format of the structure, see Error Code Parameter. If this parameter is omitted, diagnostic and escape messages are issued to the application.

Returned Value

Return code: OUTPUT; BINARY(4)
A return code indicating the result of the operation. The value returned will be 0 if the operation was successful, or -1 otherwise.

Error Messages

Message ID	Error Message Text
CPF24B4 E	Severe error while addressing parameter list.
CPF3CF1 E	Error code parameter not valid.
CPF3CF2 E	Error(s) occurred during running of &1 API.
CPFA318 E	Error calling exit routine.
CPFA31E E	Required parameter &1 omitted.
CPFA343 E	Output operation not done.
CPFA344 E	The file &2 in library &3 is not valid.
CPFA345 E	The invite active flag is not valid.
CPFA3A4 E	Specified window is not active.
CPFA3AA E	Window handle incorrect.

API introduced: V2R3

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