Package com.sun.jna
Interface Callback
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- All Known Subinterfaces:
- CallbackProxy,- Carbon.EventHandlerProcPtr,- Ddeml.DdeCallback,- DispatchVTable.AddRefCallback,- DispatchVTable.GetIDsOfNamesCallback,- DispatchVTable.GetTypeInfoCallback,- DispatchVTable.GetTypeInfoCountCallback,- DispatchVTable.InvokeCallback,- DispatchVTable.QueryInterfaceCallback,- DispatchVTable.ReleaseCallback,- DLLCallback,- StdCallLibrary.StdCallCallback,- UnknownVTable.AddRefCallback,- UnknownVTable.QueryInterfaceCallback,- UnknownVTable.ReleaseCallback,- WinBase.EnumResNameProc,- WinBase.EnumResTypeProc,- WinBase.FE_EXPORT_FUNC,- WinBase.FE_IMPORT_FUNC,- WinBase.THREAD_START_ROUTINE,- WinCrypt.CryptGetSignerCertificateCallback,- WinNT.OVERLAPPED_COMPLETION_ROUTINE,- WinRas.RasDialFunc2,- Winsvc.Handler,- Winsvc.HandlerEx,- Winsvc.SERVICE_MAIN_FUNCTION,- WinUser.HOOKPROC,- WinUser.LowLevelKeyboardProc,- WinUser.LowLevelMouseProc,- WinUser.MONITORENUMPROC,- WinUser.WindowProc,- WinUser.WinEventProc,- WinUser.WNDENUMPROC,- X11.XErrorHandler
 - All Known Implementing Classes:
- DdemlUtil.DdeAdapter
 
 public interface CallbackAll callback definitions must derive from this interface. Any derived interfaces must define a single public method (which may not be named "hashCode", "equals", or "toString"), or one public method named "callback". You are responsible for deregistering your callback (if necessary) in itsObject.finalize()method. If native code attempts to call a callback which has been GC'd, you will likely crash the VM. If there is no method to deregister the callback (e.g.atexitin the C library), you must ensure that you always keep a live reference to the callback object.A callback should generally never throw an exception, since it doesn't necessarily have an encompassing Java environment to catch it. Any exceptions thrown will be passed to the default callback exception handler. 
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Nested Class SummaryNested Classes Modifier and Type Interface Description static interfaceCallback.UncaughtExceptionHandler
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Field SummaryFields Modifier and Type Field Description static java.util.List<java.lang.String>FORBIDDEN_NAMESThese method names may not be used for a callback method.static java.lang.StringMETHOD_NAMEYou must use this method name if your callback interface has multiple public methods.
 
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Field Detail- 
METHOD_NAMEstatic final java.lang.String METHOD_NAME You must use this method name if your callback interface has multiple public methods. Typically a callback will have only one such method, in which case any method name may be used, with the exception of those inFORBIDDEN_NAMES.- See Also:
- Constant Field Values
 
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FORBIDDEN_NAMESstatic final java.util.List<java.lang.String> FORBIDDEN_NAMES These method names may not be used for a callback method.
 
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