ErrorWrapper.cs

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namespace System.Runtime.InteropServices;
 
public sealed class ErrorWrapper
{
    public int ErrorCode { get; }
 
    public ErrorWrapper(int errorCode)
    {
        ErrorCode = errorCode;
    }
 
    public ErrorWrapper(object errorCode)
    {
        if (!(errorCode is int))
        {
            throw new ArgumentException(SR.Arg_MustBeInt32, "errorCode");
        }
        ErrorCode = (int)errorCode;
    }
 
    public ErrorWrapper(Exception e)
    {
        ErrorCode = Marshal.GetHRForException(e);
    }
}