C1TrueDBGridZoomPolicy changes C1TrueDBGrid.CellTipsWidth, C1TrueDBGrid.DefColWidth, C1TrueDBGrid.RecordSelectorWidth, or some other properties, so you can get the best zoom result.

Initial zoomfactor is 100%, part screenshot is as below.

 

The following table illustrates the difference between adding and not adding the C1TrueDBGridZoomPolicy.

Without ZoomPolicy	With ZoomPolicy