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-rw-r--r--indra/llui/llscrollbar.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/indra/llui/llscrollbar.h b/indra/llui/llscrollbar.h
index e2bf52c14b..5f2f490d81 100644
--- a/indra/llui/llscrollbar.h
+++ b/indra/llui/llscrollbar.h
@@ -88,6 +88,7 @@ public:
virtual BOOL handleDoubleClick(S32 x, S32 y, MASK mask);
virtual BOOL handleHover(S32 x, S32 y, MASK mask);
virtual BOOL handleScrollWheel(S32 x, S32 y, S32 clicks);
+ virtual BOOL handleScrollHWheel(S32 x, S32 y, S32 clicks);
virtual BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
EDragAndDropType cargo_type, void *cargo_data, EAcceptance *accept, std::string &tooltip_msg);