Re: non-creatable ATL object using AtlReportError

"Alexander Nickolov" <>
Thu, 22 Mar 2007 12:35:41 -0700
You are supposed to create a coclass in the type library and add
the [noncreatable] keyword. Then use its CLSID or derive from
CComCoClass and use its Error method instead of AtlReportError.

Alexander Nickolov
Microsoft MVP [VC], MCSD

"John" <> wrote in message

I have an ATL object that is non-creatable, I removed the coclass from the
library block, CComCoClass from the base class, added DECLARE_NO_REGISTRY
removed the OBJECT_ENTRY_AUTO macro.

I use AtlReportError function within this object and it now complains that
there is no CLSID for the object (obviously). I need the source
to give a more detailed explanation of what failed.

Is there a way to get a CLSID generated and registered but not have it
visible from it's client? This object needs to be a read-only property
the containing class and I don't want the class "visible" from the client.

Or is one better off creating a custom version of the AtlSetErrorInfo
function passing a source string instead of the CLSID.

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