Microsoft KB Archive/147312

= PRB: Error Importing Control into Component Gallery =

Article ID: 147312

Article Last Modified on 10/16/2002

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APPLIES TO


 * Microsoft Visual C++ 4.0 Standard Edition

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This article was previously published under Q147312



SYMPTOMS
When you import an OLE Control into the Microsoft Developer Studio, the Component Gallery reports the following error:

Unable to import this OLE control. Make sure the control contains a valid type library.



CAUSE
The Component Gallery is checking the version of the type library for the control against the version of the OLE Control itself. If the versions do not match, the error is generated.



RESOLUTION
The version identification for the control and the control's type library must be made to match. The version identification for an OLE control written in MFC is located in .cpp file that contains the CWinApp-derived class and will have the following format: const WORD _wVerMajor = 1; const WORD _wVerMinor = 0; The version identification for the control's type library is located in the .odl file for the control and will have the following format:

[ uuid(209E0960-66DC-11CF-8B9A-444553540000), version(1.0),

helpstring("KBCtl OLE Control module"), control ]

library KBCTLLib

Notice that in the previous cases, the version of the control and the control's type library (which is generated from the .odl file) match. The version is 1.0 in both cases.



STATUS
This behavior is by design. This error typically occurs when the version identification of a control is incremented but the version of the control's type library is not made to match.

Keywords: kberrmsg kbbug kbide kbprb KB147312

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