protected void InsertFilterItem(FilterItem item)
{
item.BeginInit();
item.Name = string.Format(CultureInfo.InvariantCulture, "Expression{0}", new object[]
{
this.FilterItems.Count.ToString(CultureInfo.InvariantCulture)
});
this.FilterItems.Add(item);
this.FilterItems.SetChildIndex(item, 0);
item.EndInit();
base.Focus();
base.SelectNextControl(item, true, true, true, false);
}
private void UpdateVisibile()
{
if (this.DataSource != null && this.DataSource.SupportsFiltering)
{
foreach (object obj in this.FilterItems)
{
FilterItem filterItem = (FilterItem)obj;
filterItem.BeginInit();
}
base.Visible = (this.PropertiesToFilter.Count > 0);
foreach (object obj2 in this.FilterItems)
{
FilterItem filterItem2 = (FilterItem)obj2;
filterItem2.EndInit();
}
}
}
private void FilterItemRemoved(object sender, ControlEventArgs e)
{
FilterItem filterItem = e.Control as FilterItem;
if (filterItem != null)
{
this.UnbindFromNodePropertyChanges(filterItem.FilterNode);
if (this.incompleteItems.Contains(filterItem.FilterNode))
{
this.incompleteItems.Remove(filterItem.FilterNode);
}
this.filterNodes.Remove(filterItem.FilterNode);
}
if (this.FilterItems.Count == 0)
{
this.OnExpressionChanged();
}
}