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-rw-r--r--fpdfsdk/pwl/cpwl_combo_box.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fpdfsdk/pwl/cpwl_combo_box.h b/fpdfsdk/pwl/cpwl_combo_box.h
index 28c063d5fd..a4e823c4dc 100644
--- a/fpdfsdk/pwl/cpwl_combo_box.h
+++ b/fpdfsdk/pwl/cpwl_combo_box.h
@@ -63,6 +63,10 @@ class CPWL_ComboBox : public CPWL_Wnd {
WideString GetText() override;
WideString GetSelectedText() override;
void ReplaceSelection(const WideString& text) override;
+ bool CanUndo() override;
+ bool CanRedo() override;
+ bool Undo() override;
+ bool Redo() override;
void SetFillerNotify(IPWL_Filler_Notify* pNotify);