DOCUMENT:Q178726 05-JAN-1998 [vbwin] TITLE :PRB: Error Message "User-defined Type Not Defined" PRODUCT :Microsoft Visual Basic for Windows PROD/VER:WINDOWS:5.0 OPER/SYS:WINDOWS KEYWORDS:vb5all VBKBDesignTime VBKBError ====================================================================== --------------------------------------------------------------------- The information in this article applies to: - Microsoft Visual Basic Learning, Professional, and Enterprise Editions for Windows, version 5.0 --------------------------------------------------------------------- SYMPTOMS ======== The following error message displays on the code line that dimensions a user-defined variable: "Compile Error User-defined type not defined" CAUSE ===== The most common cause of this error message is the Object library that contains the variable information was not referenced in the project. RESOLUTION ========== To correct this error, reference the Object library in your project. STATUS ====== This behavior is by design. MORE INFORMATION ================ Use the following steps to reference the Object library in your project: 1. From the Project menu, click References. The References dialog box appears. 2. Check the appropriate object library in the Available References list box. If your object library is not in the list, click the Browse button to add the file. REFERENCES ========== If you are trying to use the object library from a custom ActiveX DLL file, the following article in the Microsoft Knowledge Base shows you how to register the file: ARTICLE-ID: Q173407 TITLE : HOWTO: Register Your Custom ActiveX DLL from a Client ====================================================================== Keywords : vb5all VBKBDesignTime VBKBError Version : WINDOWS:5.0 Platform : WINDOWS Issue type : kbprb ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 1998.