Class: TEgDBGridEx
property GridLineWidth: Integer write SetGridLineWidthEx;Republished from TCustomGrid, where it was already
published (read, default 1 and
storage all still come from the ancestor declaration) but whose native
setter has no idea AutoRowHeight,
AutoTitleHeight, or AutoColumnWidth exist: it
only invalidates the grid and updates the native scroll range. Since
AdjustRowHeight, AdjustTitleHeight, and
AdjustColumnWidth all read ActualGridLineWidth
(native pixel scaling of this property) as part of their own layout
math, changing GridLineWidth while any of those
Auto* properties were active left their results stale until
something unrelated happened to trigger a layout pass again.
The new write specifier, SetGridLineWidthEx, forwards
the value to the ancestor property and then calls
LayoutChanged, so the affected Auto*
adjustments are recalculated immediately. There is no new stored field:
the value itself still lives in and is read from
TCustomGrid.
Line thickness at DPIs other than 96 is handled the same way as
everywhere else in this unit - through ActualGridLineWidth,
not through this unit’s own Zoom() - so
GridLineWidth itself is still a design-time, unscaled pixel
count, exactly like on plain TDBGrid.