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Compiler Warning (level 1) CS3003

Visual Studio 2010

Type of 'variable' is not CLS-compliant

A public, protected, or protected internal variable must be of a type that is compliant with the Common Language Specification (CLS). For more information on CLS Compliance, see Writing CLS-Compliant Code and Common Language Specification.

The following example generates CS3003:

Copy 
// CS3003.cs

[assembly:System.CLSCompliant(true)]
public class a
{
    public ushort a1;   // CS3003, public variable
    public static void Main()
    {
    }
}
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Bogus Warning
The base type of ushort is UInt16 which is CLS complient.  All unsigned stuctures are generating this warnings even though they are valid.

Edit by JeppeSN: No, UInt16 is not CLS compliant: http://msdn.microsoft.com/en-us/library/system.uint16.aspx. But it is still cool to use, just don't mark your assembly as CLS compliant. So find the file with [assembly: CLSCompliant(true)] in it, and remove that attribute. Who cares about VB, anyway? /JeppeSN
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