diff options
| -rw-r--r-- | src/gui/fpg_tree.pas | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/gui/fpg_tree.pas b/src/gui/fpg_tree.pas index 94c524d0..86377dff 100644 --- a/src/gui/fpg_tree.pas +++ b/src/gui/fpg_tree.pas @@ -1670,14 +1670,16 @@ begin i := (GetNodeHeightSum * GetNodeHeight) - VisibleHeight + FHScrollbar.Height; if FYOffset > i then FYOffset := i; - inc(FVScrollbar.Position, FScrollWheelDelta); + i := FVScrollbar.Position + FScrollWheelDelta; + FVScrollbar.Position := i; end else begin dec(FYOffset, FScrollWheelDelta); if FYOffset < 0 then FYOffset := 0; - dec(FVScrollbar.Position, FScrollWheelDelta); + i := FVScrollbar.Position - FScrollWheelDelta; + FVScrollbar.Position := i; end; UpdateScrollbars; RePaint; |