+ CopyMem (&Selection->FormSetGuid, &CurrentMenu->Parent->FormSetGuid, sizeof (EFI_GUID));\r
+ Selection->Handle = CurrentMenu->Parent->HiiHandle;\r
+ Scope = FormSetLevel;\r
+ }\r
+\r
+ //\r
+ // Form Level Check whether the data is changed.\r
+ //\r
+ if ((gBrowserSettingScope == FormLevel && Selection->Form->NvUpdateRequired) ||\r
+ (gBrowserSettingScope == FormSetLevel && IsNvUpdateRequired(Selection->FormSet) && Scope == FormSetLevel)) {\r
+ gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
+ \r
+ YesResponse = gYesResponse[0];\r
+ NoResponse = gNoResponse[0];\r
+ \r
+ //\r
+ // If NV flag is up, prompt user\r
+ //\r
+ do {\r
+ CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gSaveChanges, gAreYouSure, gEmptyString);\r
+ } while\r
+ (\r
+ (Key.ScanCode != SCAN_ESC) &&\r
+ ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (NoResponse | UPPER_LOWER_CASE_OFFSET)) &&\r
+ ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (YesResponse | UPPER_LOWER_CASE_OFFSET))\r
+ );\r
+ \r
+ if (Key.ScanCode == SCAN_ESC) {\r
+ //\r
+ // User hits the ESC key, Ingore. \r
+ //\r
+ if (Repaint != NULL) {\r
+ *Repaint = TRUE;\r
+ }\r
+ if (NewLine != NULL) {\r
+ *NewLine = TRUE;\r
+ }\r
+\r
+ Selection->Action = UI_ACTION_NONE;\r
+ return FALSE;\r
+ }\r
+ \r
+ if ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (YesResponse | UPPER_LOWER_CASE_OFFSET)) {\r
+ //\r
+ // If the user hits the YesResponse key\r
+ //\r
+ SubmitForm (Selection->FormSet, Selection->Form, Scope);\r
+ } else {\r
+ //\r
+ // If the user hits the NoResponse key\r
+ //\r
+ DiscardForm (Selection->FormSet, Selection->Form, Scope);\r
+ }\r