How to insert data to a ChartSeries

[Seungho Jung]

Hi,

How could I insert data to a ChartSeries and then redraw it?
I would like to X, Y data, its color, and X-label to a line series.

Thanks in advance.

Seungho Jung

[Narcís]

Hi Seungho,

Just try using AddXY method of TLineSeries.

[Seungho Jung]

Hi Narcís,

The AddXY method is append, not insert.
I would like to InsertXY( Insert_position_index, X, Y, X_label, Color ).
Is it possible?

[Narcís]

Hi Seungho,

Ok, then you may better set the XValues valuelist order to none before populating the series. This way series won't be drawn sequentially.

Code: Select all

  Series1.XValues.Order := loNone;

However if you really want to set the position index you can do it using this method:

Code: Select all

  Series1.SwapValueIndex(Index1,Index2);