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using ExcelAddIn.Services;
using Microsoft.Extensions.DependencyInjection;
namespace ExcelAddIn;
public static class ExcelFunctions
{
[ExcelFunction]
public static object ExchangeRate(double dateField)
{
ICurrencyClient currencyClient = MyAddIn.ServiceProvider.GetService<ICurrencyClient>();
DateTime date = dateField == 0 ? DateTime.Today : DateTime.FromOADate(dateField);
if (ExcelAsyncUtil.Run(nameof(ExchangeRate), dateField, delegate
{
return currencyClient.GetExchangeRate(date)
.GetAwaiter()
.GetResult() ?? -1m;
}) is not decimal requestResult)
{
return "Загрузка...";
}
else if (requestResult < 0)
{
return ExcelError.ExcelErrorNA;
}
else
{
return Math.Round(requestResult, 2);
}
}
[ExcelFunction]
public static object[] ArrayReturn()
{
return new[]
{
"One",
"Two",
"Tree"
};
}
}
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