NGWS SDK Documentation  

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Compiler Error C3629

'class': a class that is declared as '__abstract' cannot be a value type nor can it be declared as '__sealed'

A class or struct marked with the __abstract keyword cannot also be marked with __sealed or __value.

The following sample generates C3629:

#using <mscorlib.dll>
using namespace System;

__abstract __value class AB {   // C3629, remove __value
};

__abstract __value struct AS {   // C3629, remove __value
};

__abstract __sealed class SC {   // C3629, remove __sealed
};

__abstract __sealed struct SS {   // C3629, remove __sealed
};

void main() {
}