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.ds xI Intrinsics
.ds xW X Toolkit Athena Widgets \- C Language Interface
.ds xL Xlib \- C Language X Interface
.ds xC Inter-Client Communication Conventions Manual
.ds Rn 3
.ds Vn 2.2
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.TH XtAppError 3Xt "Release 3" "X Version 11" "XT FUNCTIONS"
.SH NAME
XtAppError, XtAppSetErrorHandler, XtAppSetWarningHandler, XtAppWarning \- low-level error handlers
.SH SYNTAX
void XtAppError(\fIapp_context\fP, \fImessage\fP)
.br
      XtAppContext \fIapp_context\fP;
.br
      String \fImessage\fP;
.LP
void XtAppSetErrorHandler(\fIapp_context\fP, \fIhandler\fP)
.br
      XtAppContext \fIapp_context\fP;
.br
      XtErrorHandler \fIhandler\fP;
.LP
void XtAppSetWarningHandler(\fIapp_context\fP, \fIhandler\fP)
.br
      XtAppContext \fIapp_context\fP;
.br
      XtErrorHandler \fIhandler\fP;
.LP
void XtAppWarning(\fIapp_context\fP, \fImessage\fP)
.br
      XtAppContext \fIapp_context\fP;
.br
      String \fImessage\fP;
.SH ARGUMENTS
.IP \fIapp_context\fP 1i
Specifies the application context.
.IP \fImessage\fP 1i
Specifies the nonfatal error message that is to be reported.
.ds Ha fatal error procedure, which should not return, \
or the nonfatal error procedure, which usually returns
.IP \fIhandler\fP 1i
Specifies the new \*(Ha.
.ds Me reported
.IP \fImessage\fP 1i
Specifies the message that is to be \*(Me.
.SH DESCRIPTION
The
.ZN XtAppError
function calls the installed error procedure and passes the specified message.
.LP
The
.ZN XtAppSetErrorHandler
function registers the specified procedure,
which is called when a fatal error condition occurs.
.LP
The
.ZN XtAppSetWarningHandler
registers the specified procedure,
which is called when a nonfatal error condition occurs.
.LP
The
.ZN XtAppWarning
function calls the installed nonfatal error procedure and passes the
specified message.
.SH "SEE ALSO"
XtAppGetErrorDatabase(3Xt),
XtAppErrorMsg(3Xt)
.br
\fI\*(xT\fP
.br
\fI\*(xL\fP