IConvertible.cs

using System.Runtime.InteropServices;

namespace System
{
    [CLSCompliant(false)]
    [ComVisible(true)]
    [__DynamicallyInvokable]
    public interface IConvertible
    {
        [__DynamicallyInvokable]
        TypeCode GetTypeCode();

        [__DynamicallyInvokable]
        bool ToBoolean(IFormatProvider provider);

        [__DynamicallyInvokable]
        char ToChar(IFormatProvider provider);

        [__DynamicallyInvokable]
        sbyte ToSByte(IFormatProvider provider);

        [__DynamicallyInvokable]
        byte ToByte(IFormatProvider provider);

        [__DynamicallyInvokable]
        short ToInt16(IFormatProvider provider);

        [__DynamicallyInvokable]
        ushort ToUInt16(IFormatProvider provider);

        [__DynamicallyInvokable]
        int ToInt32(IFormatProvider provider);

        [__DynamicallyInvokable]
        uint ToUInt32(IFormatProvider provider);

        [__DynamicallyInvokable]
        long ToInt64(IFormatProvider provider);

        [__DynamicallyInvokable]
        ulong ToUInt64(IFormatProvider provider);

        [__DynamicallyInvokable]
        float ToSingle(IFormatProvider provider);

        [__DynamicallyInvokable]
        double ToDouble(IFormatProvider provider);

        [__DynamicallyInvokable]
        decimal ToDecimal(IFormatProvider provider);

        [__DynamicallyInvokable]
        DateTime ToDateTime(IFormatProvider provider);

        [__DynamicallyInvokable]
        string ToString(IFormatProvider provider);

        [__DynamicallyInvokable]
        object ToType(Type conversionType, IFormatProvider provider);
    }
}