File : gnatcom-events-event_object.ads
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-- --
-- GNATCOM - Ada 95 COM/DCOM/COM+ Development Framework and Tools --
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-- G N A T C O M . E V E N T S . E V E N T _ O B J E C T --
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-- S p e c --
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-- $Revision: 1.3 $
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-- Copyright (C) 1999, 2000, 2001 David Botton --
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with GNATCOM.Types;
with GNATCOM.Create.COM_Interface;
with Interfaces.C;
package GNATCOM.Events.Event_Object is
type Event_Type is tagged null record;
type Event_Pointer is access all Event_Type'Class;
-- Allows association of an Ada object with a created
-- Event_Object. The associated object is passed in
-- to the call back Invoke_Function
type Invoke_Function is access
procedure (dispidMember : in Interfaces.C.long;
wFlags : in Interfaces.C.unsigned_short;
pdispparams : in GNATCOM.Types.Pointer_To_DISPPARAMS;
Event_Object : in Event_Pointer);
-- Definition of the call back function
function Create (Invoke : Invoke_Function;
Event_IID : GNATCOM.Types.GUID;
Event_Object : Event_Pointer := null)
return GNATCOM.Create.COM_Interface.Pointer_To_COM_Interface_Type;
-- Creates a COM object that implements IDispatch and calls the
-- call back function to handle IDispatch invokes
end GNATCOM.Events.Event_Object;