private void buttonAdvancedSearch_Click(object sender, EventArgs e)
        {
            AdvancedSearch ads;

            if (this.criteria == null)
            {
                ads = new AdvancedSearch();
            }
            else
            {
                ads = new AdvancedSearch(this.criteria);
            }
            List <Files> files = null;

            if (ads.ShowDialog() == DialogResult.OK)
            {
                files = dbm.getASFiles(ads.Criteria);

                this.criteria = ads.Criteria;

                if (treeViewDirs.Nodes.Count == 8)
                {
                    treeViewDirs.Nodes.Add("Search result");
                }

                treeViewDirs.SelectedNode = null;
                treeViewDirs.SelectedNode = treeViewDirs.Nodes[8];
            }
        }
        private void buttonAdvancedSearch_Click(object sender, EventArgs e)
        {
            AdvancedSearch ads;
            if (this.criteria == null)
            {
                ads = new AdvancedSearch();
            }
            else
            {
                ads = new AdvancedSearch(this.criteria);
            }
            List<Files> files = null;
            if (ads.ShowDialog() == DialogResult.OK)
            {
                files = dbm.getASFiles(ads.Criteria);

                this.criteria = ads.Criteria;

                if (treeViewDirs.Nodes.Count == 8)
                {
                    treeViewDirs.Nodes.Add("Search result");
                }

                treeViewDirs.SelectedNode = null;
                treeViewDirs.SelectedNode = treeViewDirs.Nodes[8];
            }
        }