XmCommandError — A Command function that displays an error message "XmCommandError" "Command functions"

XmCommandError displays an error message in the history area of the Command widget. The XmString error is
       displayed until the next command entered occurs.

       widget    Specifies the Command widget ID

       error     Specifies the passed XmString

       For a complete definition of Command and its associated resources, see XmCommand(3).

XmCommandError  —  A Command function that displays an error message "XmCommandError" "Command functions"
       "XmCommandError"

XmCommand(3).

                                                                                               XmCommandError(3)

       #include <Xm/Command.h>
       voidXmCommandError(
       Widgetwidget,
       XmStringerror);