How Can I Change source series in program

[Jameh2020]

Hi
i have three lines series
and one moving average line depend on the first line

now i need to change the moving average period
and i need to change the moving average source series from line 1 to line 2 or line 3

all this in code

can you help me
thanks

[Yeray]

Hi Jameh2020,

You can change function period as follows:

Code: Select all

TChart1.Series(FunctionIndex).FunctionType.Period = NewPeriodValue

You can assign a function source as follows:

Code: Select all

TChart1.Series(FunctionIndex).DataSource = TChart1.Series(SourcesIndex)