compiler-warning-level-1-c4926.md

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Learn more about: Compiler Warning (level 1) C4926	Compiler Warning (level 1) C4926	11/04/2016	C4926	C4926	5717fce0-146f-4ef2-bde0-e9a01c0922d1

Compiler Warning (level 1) C4926

'identifier': symbol is already defined: attributes ignored

A forward declaration was found but an attributed construct with the same name already exists. The attributes for the forward declaration are ignored.

The following sample generates C4926:

// C4926.cpp
// compile with: /W1
[module(name="MyLib")];

[coclass]
struct a {
};

[coclass]
struct a;   // C4926

int main() {
}