void BtnDefault_Click(object sender, EventArgs e)
{
Instrument_Properties ip = new Instrument_Properties(Data.InstrProperties.Symbol, Data.InstrProperties.InstrType);
nudSpread.Value = (decimal)ip.Spread;
nudSwapLong.Value = (decimal)ip.SwapLong;
nudSwapShort.Value = (decimal)ip.SwapShort;
nudSlippage.Value = (decimal)ip.Slippage;
nudCommission.Value = (decimal)ip.Commission;
return;
}