How to expose all inner control's events and properties in the properties designer
[Category("Inner controls")] [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] public TextBox TextBox22 { get { return TextBox1 ; } } [Category("Inner controls")] [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] public TreeList Tree { get { return m_tlMain; } }