private void updateValues(ECurrencies source)
{
switch (source) //Switch on source, which we change for the call.
{
case ECurrencies.JPY:
{
amountUsd = amountJpy / 104.92;
break;
}
case ECurrencies.GBP:
{
amountUsd = amountGbp / 0.72158;
break;
}
case ECurrencies.FRF:
{
amountUsd = amountFrf / 5.41129;
break;
}
case ECurrencies.DEM:
{
amountUsd = amountDem / 1.61345;
break;
}
default: break;
}
convertFromUsd();//Sets the values for all other currencies.
// Detatch the event handler functions that trigger by text changing.
// This prevents a stack overflow resulting from triggering the event by changing the text in this function.
textBoxUsd.TextChanged -= textBoxUsd_TextChanged;
textBoxJpy.TextChanged -= textBoxJpy_TextChanged;
textBoxGbp.TextChanged -= textBoxGbp_TextChanged;
textBoxFrf.TextChanged -= textBoxFrf_TextChanged;
textBoxDem.TextChanged -= textBoxDem_TextChanged;
//textBoxUsd.Text = String.Format("{0:N0}", amountUsd);
//I tried this, but then I would have to parse input which had a variety of characters thrown into it.
textBoxUsd.Text = amountUsd.ToString();
textBoxDem.Text = amountDem.ToString();
textBoxFrf.Text = amountFrf.ToString();
textBoxGbp.Text = amountGbp.ToString();
textBoxJpy.Text = amountJpy.ToString();
//Reattach the event handlers that trigger by text changing.
//This conundrum results because OnChange works better than OnKeyPress.
//OnKeyPress will only update AFTER a press which meant that conversions were happening a step behind a change in the text.
textBoxUsd.TextChanged += textBoxUsd_TextChanged;
textBoxJpy.TextChanged += textBoxJpy_TextChanged;
textBoxGbp.TextChanged += textBoxGbp_TextChanged;
textBoxFrf.TextChanged += textBoxFrf_TextChanged;
textBoxDem.TextChanged += textBoxDem_TextChanged;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="pAmount"></param>
/// <param name="pCurrency"></param>
public CAmount(decimal pAmount, ECurrencies pCurrency)
{
Amount = pAmount;
Currency = pCurrency;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="pAmount"></param>
/// <param name="pCurrency"></param>
public CAmount(decimal pAmount, ECurrencies pCurrency)
{
Amount = pAmount;
Currency = pCurrency;
}
