BrightIdeasSoftware.FilterMenuBuilder.MakeFilterMenu C# (CSharp) Метод

        public virtual ToolStripDropDown MakeFilterMenu(ToolStripDropDown strip, ObjectListView listView, OLVColumn column)
        {
            if (strip == null) throw new ArgumentNullException("strip");
            if (listView == null) throw new ArgumentNullException("listView");
            if (column == null) throw new ArgumentNullException("column");

            if (!column.UseFiltering || column.ClusteringStrategy == null || listView.Objects == null)
                return strip;

            List<ICluster> clusters = this.Cluster(column.ClusteringStrategy, listView, column);
            if (clusters.Count > 0) {
                this.SortClusters(column.ClusteringStrategy, clusters);
                strip.Items.Add(this.CreateFilteringMenuItem(column, clusters));
            }

            return strip;
        }