'Declaration
<ContentPropertyAttribute("Items", True)> Public MustInherit Class DataGridMultiLineFilter Inherits System.Windows.Controls.ItemsControl Implements C1.Silverlight.DataGrid.IDataGridFilterUnity
[ContentProperty("Items", true)] public abstract class DataGridMultiLineFilter : System.Windows.Controls.ItemsControl, C1.Silverlight.DataGrid.IDataGridFilterUnity