ISDBScriptControl::RegisterEvent: Difference between revisions

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(→‎Method description: Added information about calling from JScript)
(added JScript example, clarified parameters)
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{{MethodParameters  
{{MethodParameters  
  |ObjectVar |Object |Object of the event
  |ObjectVar |Object |Object of the event
  |EventName |String |[[SDBApplication#ISDBApplicationEvents_members|Event Name]] (string)
  |EventName |String |Event name – check manual for actual event names for given object
  |HandlerName |String |Procedure name of the handler (string)}}
  |HandlerName |String |Procedure name of the handler (string)}}


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JScript note: Method does not accept anonoymous functions or callbacks. A handler function must be defined within global script scope. Then handler function's name should be passed to the method.
JScript note: Method does not accept anonoymous functions or callbacks. A handler function must be defined within global script scope. Then handler function's name should be passed to the method.


===Example code===                  
===Example code===
VBScript:
<source lang="vb">
<source lang="vb">
Sub ShutdownHandler
  ' Event code goes here...
End Sub
Script.RegisterEvent SDB, "OnShutdown", "ShutdownHandler"
Script.RegisterEvent SDB, "OnShutdown", "ShutdownHandler"
</source>
JScript:
<source lang="javascript">
function shutdown_handler() {
  // Event code goes here...
};


Sub ShutdownHandler
Script.RegisterEvent(SDB, 'OnShutdown', 'shutdown_handler');
  ' Event code goes here....
End Sub
</source>
</source>



Revision as of 20:25, 20 April 2013

CoClass SDBScriptControl, Interface ISDBScriptControl

Sub RegisterEvent(ObjectVar As Object, EventName As String, HandlerName As String)


Parameters

Name Type Description
ObjectVar Object Object of the event
EventName String Event name – check manual for actual event names for given object
HandlerName String Procedure name of the handler (string)


Method description

Registers COM object event to be handled by a script.

JScript note: Method does not accept anonoymous functions or callbacks. A handler function must be defined within global script scope. Then handler function's name should be passed to the method.

Example code

VBScript:

Sub ShutdownHandler
  ' Event code goes here...
End Sub

Script.RegisterEvent SDB, "OnShutdown", "ShutdownHandler"

JScript:

function shutdown_handler() {
  // Event code goes here...
};

Script.RegisterEvent(SDB, 'OnShutdown', 'shutdown_handler');