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8c763fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | // Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
#pragma warning disable 618 // CurrencyWrapper is obsolete
using System;
using System.Diagnostics;
using System.Linq.Expressions;
using System.Runtime.InteropServices;
namespace System.Management.Automation.ComInterop
{
internal sealed class CurrencyArgBuilder : SimpleArgBuilder
{
internal CurrencyArgBuilder(Type parameterType)
: base(parameterType)
{
Debug.Assert(parameterType == typeof(CurrencyWrapper));
}
internal override Expression Marshal(Expression parameter)
{
// parameter.WrappedObject
return Expression.Property(
Helpers.Convert(base.Marshal(parameter), typeof(CurrencyWrapper)),
nameof(CurrencyWrapper.WrappedObject)
);
}
internal override Expression MarshalToRef(Expression parameter)
{
// Decimal.ToOACurrency(parameter.WrappedObject)
return Expression.Call(
typeof(decimal).GetMethod(nameof(decimal.ToOACurrency)),
Marshal(parameter)
);
}
internal override Expression UnmarshalFromRef(Expression value)
{
// Decimal.FromOACurrency(value)
return base.UnmarshalFromRef(
Expression.New(
typeof(CurrencyWrapper).GetConstructor(new Type[] { typeof(decimal) }),
Expression.Call(
typeof(decimal).GetMethod(nameof(decimal.FromOACurrency)),
value
)
)
);
}
}
}
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