XtAppSetWarningMsgHandler() XtAppSetWarningMsgHandler()
Name
XtAppSetWarningMsgHandler - set the high-level warning handler.
Synopsis
XtErrorMsgHandler XtAppSetWarningMsgHandler(app_context, msg_handler)
XtAppContext app_context;
XtErrorMsgHandler msg_handler;
Inputs
app_context
Specifies the application context.
msg_handler
Specifies the new high-level warning handler.
Returns
A pointer to the previously installed high-level warning handler.
Description
XtAppSetWarningMsgHandler() registers the procedure msg_handler in app_context as the procedure to be invoked by XtAppWarningMsg(). It
returns a pointer to the previously installed high-level warning handler.
The default high-level warning handler provided by the Intrinsics is named _XtDefaultWarningMsg(). It looks up a message in the error
resource database (see XtAppGetErrorDatabaseText()), substitutes the supplied parameters into the message, and calls XtWarning(). See
XtWarningMsgHandler(2) for an explanation of how to write a customized high-level warning handler.
msg_handler should generally invoke the low-level warning handler to display the message.
Usage
Note that application-context-specific error and warning handling is not implemented on many systems. Most implementations will have just
one set of error handlers. If they are set for different application contexts, the one performed last will prevail.
See Also
XtAppError(1), XtAppErrorMsg(1), XtAppGetErrorDatabaseText(1), XtAppSetErrorHandler(1), XtAppSetErrorMsgHandler(1), XtAppSetWarningHan-
dler(1), XtAppWarning(1), XtAppWarningMsg(1),
XtErrorHandler(2), XtErrorMsgHandler(2).
Xt - Error Handling XtAppSetWarningMsgHandler()
