| description | title | ms.date | f1_keywords | helpviewer_keywords | ms.assetid | ||
|---|---|---|---|---|---|---|---|
Learn more about: Compiler Error C2500 | Compiler Error C2500 | 11/04/2016 |
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| 6bff8161-dc9a-48ca-91f1-fd2eefdbbc93 |
'identifier1' : 'identifier2' is already a direct base class
A class or structure appears more than once in a list of base classes.
A direct base is one mentioned in the base list. An indirect base is a base class of one of the classes in the base list.
A class cannot be specified as a direct base class more than once. A class can be used as an indirect base class more than once.
The following sample generates C2500:
// C2500.cpp// compile with: /cclassA {}; classB : publicA, publicA {}; // C2500// OKclassC : publicA {}; classD : publicA {}; classE : publicC, publicD {};