XtAppError(Xt)

Syntax

void XtAppError (app_context, message)
XtAppContext app_context;
String message;

void XtAppSetErrorHandler (app_context, handler)
XtAppContext app_context;
XtErrorHandler handler;

void XtAppSetWarningHandler (app_context, handler)
XtAppContext app_context;
XtErrorHandler handler;

void XtAppWarning (app_context, message)
XtAppContext app_context;
String message;

Arguments

app_context

Specifies the application context.

message

Specifies the nonfatal error message that is to be reported.

handler

Specifies the new fatal error procedure, which should not return, or the nonfatal error procedure, which usually returns.

message

Specifies the message that is to be reported.

Description

The XtAppSetErrorHandler function registers the specified procedure, which is called when a fatal error condition occurs.

The XtAppSetWarningHandler registers the specified procedure, which is called when a nonfatal error condition occurs.

The XtAppWarning function calls the installed nonfatal error procedure and passes the specified message.

See also

X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface