W$FLUSH
The W$FLUSH library routine allows you to control the client/server traffic generated by the communication between the user interface (client) and the back end logic (server).
Syntax:
 CALL "W$FLUSH" USING opCode
                      parameters
Parameters:
opCode
Function to be executed. The only valid value, defined in iscobol.def, is:
 
refresh the screen
 
start bufferization of INQUIRE statements
 
stop bufferization of INQUIRE statements
 
start ignoring all operations on the UI
 
stop ignoring all operations on the UI
parameters
Parameters depend on the opcode.
Examples:
Example - Refresh all windows on thin-client session
*> On working-storage copy "iscobol.def"
 
call "w$flush" using wflush-refresh