DataSysDescriptionAttribute.cs

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using System.ComponentModel;
 
namespace System.Data;
 
[AttributeUsage(AttributeTargets.All)]
[Obsolete("DataSysDescriptionAttribute has been deprecated and is not supported.")]
public class DataSysDescriptionAttribute : DescriptionAttribute
{
    private bool _replaced;
 
    public override string Description
    {
        get
        {
            if (!_replaced)
            {
                _replaced = true;
                base.DescriptionValue = base.Description;
            }
            return base.Description;
        }
    }
 
    [Obsolete("DataSysDescriptionAttribute has been deprecated and is not supported.")]
    public DataSysDescriptionAttribute(string description)
        : base(description)
    {
    }
}