This topic documents a feature of Binary Behaviors, which are obsolete as of Internet Explorer 10.
Specifies the mode of remote method invocation.
HTML N/A Scripting [ objCallasync = ] objCall.async
objCall An instance of the call object. async A Boolean that specifies the mode of remote method invocation.
- Default. The call object specifies that remote methods are invoked asynchronously.
- The call object specifies that remote methods are invoked synchronously.
The property is read-only. The property has a default value of true.
This is a property of the call object, which can be passed as a parameter to the callService method.
When this property is set to
falseto invoke synchronous communication, use the onserviceavailable event to determine when the service is ready to accept method calls. For an example of using synchronous communication with the WebService Behavior, see the call object.
For this property to be applied to a remote method invocation, the call object must be passed as the fo parameter of the callService method.