var instance = new GC.Spread.Sheets.Filter.RowFilterBase(range);
var value; // Type: any
value = instance.unfilter(col);

function unfilter( 
   col : number
) : any;

Parameters

col

The index of the column for which to remove the filter; if it is omitted, removes the filter for all columns in the range.

Reference

RowFilterBase type