hpux man page for xtapperrormsg

XtAppErrorMsg() 														   XtAppErrorMsg()

Name
  XtAppErrorMsg - call the high-level fatal error handler.

Synopsis
  void XtAppErrorMsg(app_context, name, type, class, default,  params, num_params)
	 XtAppContext app_context;
	 String name;
	 String type;
	 String class;
	 String default;
	 String *params;
	 Cardinal *num_params;

Inputs
  app_context
	    Specifies the application context.

  name	    Specifies the general kind of error.

  type	    Specifies the detailed name of the error.

  class     Specifies the resource class of the error.

  default   Specifies the default message to use if no message is found in the database.

  params    Specifies an array of values to be inserted into the message.

  num_params
	    Specifies the number of elements in params.

Returns
  XtAppErrorMsg() terminates the application and does not return.

Description
  XtAppErrorMsg()  passes  all	of  its arguments except app_context to the installed high-level error handler.  The default high-level error
  handler is _XtDefaultErrorMsg().  It calls XtAppGetErrorDatabaseText() to lookup an error message of the specified name, type, and class in
  the  error  database.   If  no  such	message is found, XtAppGetErrorDatabaseText() returns the specified default message.  In either case,
  _XtDefaultErrorMsg() does a printf-style substitution of params into the message, and passes the resulting text to the low-level error han-
  dler by calling XtError().

  See XtAppGetErrorDatabaseText() for details on how messages are looked up in the error database.

Usage
  To  report  non-fatal  error	messages  or  warnings	without  exiting, use XtAppWarningMsg().  To change the high-level error handler, use
  XtAppSetErrorMsgHandler().

  Note that the num_params argument to this function is a Cardinal *, not a Cardinal.

  Although the Intrinsics interface allows separate error and warning handlers for each application context, most implementations  will  sup-
  port only a single set of handlers.  When a new handler is installed, it will be used in all application contexts.

Example
  The following code is from the Intrinsics internal function _XtCreateWidget():

     String params[2];
     Cardinal num_params = 2;

     params[0] = name;
     params[1] = XtName(parent);
     XtAppErrorMsg(XtWidgetToApplicationContext(parent),
	 "nonWidget", XtNxtCreateWidget, XtCXtToolkitError,
	 "attempt to add non-widget child to parent which supports only widgets",
	 params, &num_params);

See Also
  XtAppError(1), XtAppSetErrorHandler(1), XtAppSetErrorMsgHandler(1), XtAppSetWarningHandler(1), XtAppSetWarningMsgHandler(1), XtAppWarn-
  ing(1), XtAppWarningMsg(1),
  XtErrorMsgHandler(2).

Xt - Error Handling														   XtAppErrorMsg()