In other words, have your bank convert to that country's currency before sending a wire there.
My story on this is that I recently won an auction for a wristwatch that took place in Switzerland and the winning bid was CHF115,000. The auction house proceeded to invoice in USD (the currency where I live) and the invoice was for USD124,200. I was prepared to wire this amount when it occurred to me that it was a significantly higher conversion than what was being posted that week when I googled the conversion rate. I asked the auction house to convert the invoice back to the winning bid (CHF115,000) which they did, no questions asked. Then I had my bank do the conversion and the amount paid out of my US account was $119,182!! This was $5,000 less than it would have cost if I had paid in USD to the auction house as per the original invoice! Wow!
I suppose that you purists that are in financial markets would find this to be an obvious strategy, but for me, it was a real eye-opener.