Compiler Warning (level 1) CS1581
Invalid return type in XML comment cref attribute
When attempting to reference a method, the compiler detected an error due to an invalid return type.
Example
The following sample generates CS1581:
// CS1581.cs
// compile with: /W:1 /doc:x.xml
/// <summary>help text</summary>
public class MyClass
{
/// <summary>help text</summary>
public static void Main()
{
}
/// <summary>help text</summary>
public static explicit operator int(MyClass f)
{
return 0;
}
}
/// <seealso cref="MyClass.explicit operator intt(MyClass)"/> // CS1581
// try the following line instead
// /// <seealso cref="MyClass.explicit operator int(MyClass)"/>
public class MyClass2
{
}