virtual BOOL GetUpdateFlag(ROWCOL nRow, ROWCOL nCol);
nRow
Specifies the grid row of the cell.
nCol
Specifies the grid column of the cell.
TRUE if the cell has been marked as updated and needs to be refreshed; FALSE if the cell is unchanged.
Checks if the given cell needs to be redrawn (e.g. if formula result has been changed). CGXGridCore::RefreshViews checks GetUpdateFlag for all visible and refreshes them if GetUpdateFlag returns TRUE.
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