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Compiler Error C3100

Error Message

'target' : unknown attribute qualifier

An invalid attribute target was specified.

For more information, see User-Defined Attributes.

Example

The following sample generates C3100.

// C3100.cpp
// compile with: /clr /c
using namespace System;
[AttributeUsage(AttributeTargets::All)]
public ref class Attr : public Attribute {
public:
   Attr(int t) : m_t(t) {}
   int m_t;
};

[invalid_target:Attr(10)];   // C3100
[assembly:Attr(10)];   // OK

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