This Post Details Content That I Have Written Regarding The SharePoint API On MSDN. The Full Article Will Have These Contents As Annotations Of The Full Article.
I Encourage You To Read The Full MSDN Class Documentation, Since Things Like Type Hierarchy Are Illustrated.
Adam Buenz’s MSDN Located At Annotations edited by Adam Buenz – MVP:
Description The Microsoft.SharePoint.WebControls.UserControlContainerDesigner class inherits from the System.Web.UI.Design.ControlDesigner class which is responsible for managing the design-mode behavior of a server control. The ControlDesigner class, at a very high level, provides the structure for building control designers and contains the required interfaces to support those behaviors
Read My Complete MSDN Article: UserControlContainerDesigner