h6. [[WindowManager]] h6(. » [[WindowManager Service Calls|Service Calls]] h6((. » Service_WimpReportError h2. Service_WimpReportError h5. (Service Call &57) |_<{width:3em}. Entry | | |/2<^. R0 |<^. 0 = Error window opening | |<^. 1 = Error window closing | |<^. R1 |<^. 87 (&57) | |_<{width:3em}. Exit | | |<^. - |<^. All registers preserved | h4. Use This service call is used to temporarily suspend the trapping of VDU output so that an error window can be displayed. However, if R0 = 1, then it will re-activate the trapping of VDU output as before. h4. See also * [[Service Calls]]