Simple Frame Site Containment
A container control is an ActiveX control that is capable of containing other controls. A group box that contains a collection of radio buttons is an example of a container control. Container controls should set the OLEMISC_SIMPLEFRAME status bit, and should call its container's ISimpleFrameSite implementation. An ActiveX control container that supports container controls must implement ISimpleFrameSite.
CATID - {157083E0-2368-11cf-87B9-00AA006C8166} CATID_SimpleFrameControl
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