string defaultLayout = "Default";
AddSymbol("A", "SMA"); // You can also enter a list of symbols string[]
AddSymbol("AA", "RSI");

while(true)
{
Chart chart = Charts.GetSelectedChart();
long id = chart.ChartID;
string layout = GetLayoutFromSymbol(chart.SymbolName);
if(layout != null)
{
if(IsUpdate(id, layout))
{
App.Main.UpdateChartLayout(id, layout);
RegisterChart(id, layout);
}
}
else
{
if(IsUpdate(id, defaultLayout))
{
App.Main.UpdateChartLayout(id, defaultLayout);
RegisterChart(id, defaultLayout);
}
}
App.Main.Sleep(500);
}


#functions#
Hashtable save = new Hashtable();
Hashtable entries = new Hashtable();
void AddSymbol(string symbol, string layout)
{
if(entries.ContainsKey(symbol))
{
entries[symbol] = layout;
}
else
{
entries.Add(symbol, layout);
}
}

void AddSymbol(string[] symbols, string layout)
{
for(int i=0;i < symbols.Length;i++)
{
AddSymbol(symbols[i], layout);
}
}

void AddSymbol(Symbol[] symbols, string layout)
{
for(int i=0;i < symbols.Length;i++)
{
AddSymbol(symbols[i].Name, layout);
}
}

string GetLayoutFromSymbol(string symbol)
{
if(entries.ContainsKey(symbol))
{
return entries[symbol].ToString();
}
else
{
return null;
}
}

void RegisterChart(long id, string layout)
{
if(save.ContainsKey(id))
{
save[id] = layout;
}
else
{
save.Add(id, layout);
}
}

bool IsUpdate(long id, string layout)
{
if(save.ContainsKey(id))
{
if(save[id] == layout)
{
return false;
}
else
{
return true;
}
}
else
{
return true;
}
}