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Check the question value before call CHANGED. Only when question value has been changed, browser will call CHANGED callback type. 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16222 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Eric Dong 2014-10-21 05:50:06 +00:00 committed by ydong10
parent 79e1ffbdd4
commit ca2be85487
1 changed files with 6 additions and 1 deletions
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7
MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
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@ -2426,7 +2426,12 @@ SetupBrowser (
//
IsQuestionValueChanged(gCurrentSelection->FormSet, gCurrentSelection->Form, Statement, GetSetValueWithBuffer);
if (!EFI_ERROR (Status) && Statement->Operand != EFI_IFR_REF_OP) {
if (!EFI_ERROR (Status) &&
(Statement->Operand != EFI_IFR_REF_OP) &&
((Statement->Storage == NULL) || (Statement->Storage != NULL && Statement->ValueChanged))) {
//
// Only question value has been changed, browser will trig CHANGED callback.
//
ProcessCallBackFunction(Selection, Selection->FormSet, Selection->Form, Statement, EFI_BROWSER_ACTION_CHANGED, FALSE);
}
} else {