private void AddConditionButtonClick(object sender, EventArgs e)
        {
            var item = (QueryConstructorWhereCondition)QueryConstructorWhere.AddItem();

            item.OnQueryDelete   = OnDeleteQuery;
            item.PathResolveType = PathResolveType.Where;

            item.Caption = "Document field (FROM/JOIN)";
            ReloadWherePaths(new[] { item });
        }
 private void OnDeleteQuery(Control control)
 {
     QueryConstructorWhere.DeleteItem(control);
 }