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#pragma once
#define DB_STR_FROM_ID "FromID"
#define DB_STR_TO_ID "ToID"
#define DB_STR_FROM_DESCRIPTION "FromDesc"
#define DB_STR_TO_DESCRIPTION "ToDesc"
class CCurrencyRatesProviderCurrencyConverter : public CCurrencyRatesProviderBase
{
public:
typedef CCurrencyRatesProviderBase CSuper;
using TRateInfo = std::pair<CCurrencyRate, CCurrencyRate>;
public:
CCurrencyRatesProviderCurrencyConverter();
~CCurrencyRatesProviderCurrencyConverter();
double Convert(double dAmount, const CCurrencyRate &from, const CCurrencyRate &to) const;
size_t GetWatchedRateCount() const;
bool GetWatchedRateInfo(size_t nIndex, TRateInfo &rRateInfo);
bool WatchForRate(const TRateInfo &ri, bool bWatch);
MCONTACT GetContactByID(const tstring &rsFromID, const tstring &rsToID) const;
private:
void FillFormat(TFormatSpecificators &) const override;
void RefreshCurrencyRates(TContacts &anContacts) override;
void ShowPropertyPage(WPARAM wp, OPTIONSDIALOGPAGE &odp) override;
MCONTACT ImportContact(const TiXmlNode*) override;
tstring FormatSymbol(MCONTACT hContact, wchar_t c, int nWidth) const override;
};
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