# Directives

DISABLE EVENT | Internal Event Disable

## Formats

1. | Timer Event: | DISABLE EVENT ON TIME
2. | Data Available on Channel Event: | DISABLE EVENT ON DATA (chan)
3. | On Close of Channel Event: | DISABLE EVENT ON CLOSE (chan)
4. | On Open Event: | DISABLE EVENT ON OPEN
5. | On Class Load Event: | DISABLE EVENT ON LOAD CLASS

Where:
chan | Channel or logical file number

## Description

Use the DISABLE EVENT directive to disable the handling of various system events within a PxPlus session. The generation and trapping of events requires that the internal "*system.pvc" COM object be defined first.

(The Disable Event directive was added in PxPlus v7.00.)

## See Also

ENABLE EVENT Internal Event Enable

## Example

def object PvxComID,"*system" ! Activate support for System Events
enable event on tim=2 ! Activate timer event at two second intervals
on event "TimeOut" from PvxComIDpreinput 99 ! Establish how to handle the event
c=0
while 1
input *
if ctl=99 \
then c++;
print "Timeout ",c;
if c>3 \
then break
wend
disable event on tim ! Deactivate timer event
drop object PvxComID
end