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I have a CExtGridWnd in which items are added at the end on a user command.  When the user invokes the command, I call EnsureVisibleRow() to scoll the item into view.  This works fine, except the item is only barely scrolled into view.  I would like the user to be able to see the whole item (row), not just the top portion of it.  I have set the scrolling mode to __ESIS_STV_ITEM, which aligns the top item with the top border, which is what I want -- but I need EnsureVisibleRow() to scroll one more item, even at the risk of having some whitespace below the last item.  I tried using __EGBS_BSE_EX_PROPORTIONAL_ROW_HEIGHTS as a workaround, but this made it worse, because this would ensure that only a single pixel of the last item would become visible after EnsureVisibleRow(). 

These are my styles modifications:

SiwModifyStyle(  __ESIS_STV_ITEM
	 |__EGBS_NO_HIDE_SELECTION //| __EGBS_RESIZING_CELLS_OUTER_H
	 |__EGBS_GRIDLINES|__EGBS_LBEXT_SELECTION |__EGBS_SUBTRACT_SEL_AREAS
	 |__EGBS_SFB_FULL_ROWS,
	 0, false);
 SiwModifyStyleEx(__EGBS_EX_HVI_EVENT_CELLS |__EGBS_EX_HVO_EVENT_CELLS
	 |__EGBS_EX_HVI_HIGHLIGHT_ROWS
	 |__EGBS_EX_HVI_HIGHLIGHT_CELL
	 |__EGBS_EX_SI_HIGHLIGHT_ROWS,
	 0, false);
 BseModifyStyle(__EGWS_BSE_WALK, 0, false);
 //Make grid cells editable
 BseModifyStyle( __EGWS_BSE_EDIT_AUTO );
 BseModifyStyle(__EGWS_BSE_EDIT_CELLS_INNER);
 BseModifyStyle(__EGWS_BSE_EDIT_SINGLE_FOCUSED_ONLY);
 BseModifyStyle( __ENABLE_CELLEDITING_BSE_STYLES__ );
 BseModifyStyleEx(__EGBS_BSE_EX_PROPORTIONAL_COLUMN_WIDTHS); // | __EGBS_BSE_EX_PROPORTIONAL_ROW_HEIGHTS);

I stepped trough the code and noticed that the CExtScrollItemWnd had the wrong count in its cache.  When I call

  SiwFireCacheChanging();

before setting the new focus, the issue seems resolved. 

BTW, my prof-uis version is 2.80.