https://forums.autodesk.com/t5/autocad-forum/thisdrawing-activeselectionset-c/m-p/5738838#M320071 <P>Hi,</P> <P>&nbsp;</P> <P>first you can use the COM-based components as well in C# as you used them in VBA</P> <P>In managed access you can look into the namespace <STRONG><FONT color="#000080">Autodesk.AutoCAD.EditorInput</FONT></STRONG> and there you find <FONT color="#000080"><STRONG>.SelectImplied</STRONG></FONT> (what is currently within your Pickfirst-SelectionSet) or the function <STRONG><FONT color="#000080">.SetImpliedSelection</FONT></STRONG> (which set's some objects you like to make them selected/gripped).</P> <P>&nbsp;</P> <P>BTW: there is a special forum for .NET with AutoCAD <A href="https://forums.autodesk.com/t5/net/bd-p/152" target="_self">&gt;&gt;&gt;there&lt;&lt;&lt;</A> (for your next questions <span class="lia-unicode-emoji" title=":winking_face:">😉</span> ).</P> <P>&nbsp;</P> <P>- alfred -</P> Fri, 24 Jul 2015 06:55:30 GMT Alfred.NESWADBA 2015-07-24T06:55:30Z