OpenEdge Development: Mobile Applications - Product ...

eforeInvoke event
beforeInvoke event
Fires when a non–built-in method is called asynchronously on a JSDO, before the
request for the operation is sent to the AppServer.
Applies to: progress.data.JSDO class, invocation method
The following parameters appear in the signature of the event handler function:
Syntax
function ( jsdo , request )
jsdo
request
A reference to the JSDO that is invoking the method. For more information, see
the description of the jsdo property of the request object.
A reference to the request object returned before the operation begins. For more
information, see the description of the request object.
Example:
myjsdo.subscribe('beforeInvoke', 'myMethodName',
onBeforeInvokeMyMethodName);
myjsdo.myMethodName( paramObject);
function onBeforeInvoke ( jsdo , request ) {
/* code to execute before sending request to the server */
};
See also: subscribe( ) method, unsubscribe( ) method
OpenEdge ® Development: Mobile Applications 201