ExchangeCredentials - преобразования типов

Performs an implicit conversion from CredentialCache to ExchangeCredentials. This allows a CredentialCache object to be implictly converted to an ExchangeCredential which is useful when setting credentials on an ExchangeService.

Performs an implicit conversion from NetworkCredential to ExchangeCredentials. This allows a NetworkCredential object to be implictly converted to an ExchangeCredential which is useful when setting credentials on an ExchangeService.