Returns prepared INxColumnView for specified cell.

function UpdateCellView(ACol, ARow: Integer; CellRect: TRect): INxColumnView;

Every column have own View property that is used for drawing and interacting with cells inside the column. Before a cell is being drawn or interacted with, View need to be prepared (e.g. font, color, selected status etc. for specified cell need to be set) before use. This is all done in this method.