TeeChart - Data Points

rbuser

Before I waste a whole lot of time on this, is there a way to manually add a
data point to a TeeChart series at runtime via RAP? I'm hoping that there
is some way to add a point on the chart as part of the group footer event as
this would allow me to chart on some data that is almost impossible to get
summarized within a query.

Any assistance (an example would be even better) would be greatly
appreciated.

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Terry Swiers
Millennium Software, LLC
http://www.1000years.com
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nardmoseley

1. As a first incremental step, try implementing a solution using Delphi
code.

2. To implement a solution in RAP will require that you code one or more
pass-thru functions and register them with RAP's CodeToolbox. This is very
simple to do - see the following article for details.

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Article: Extending RAP
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There are two very simple and powerful techniques to extend the capabilities
of RAP infinitely. These are summarized below and covered in more detail in
the RAP.hlp online help. Demos and tutorials are installed to
RBuilder\Demos\RAP. The tutorial text is located in RAP.hlp.


1. RAP Pass-Through Functions

These are functions that appear in the Language tab of RAP's Code Toolbox.
These functions are written in Delphi and can be called from RAP. RAP's
pass-through function architecture enable's developers to add new built-in
functions to RAP's code toolbox.

2. Extend RAP's RTTI

RAP's Run-time Type information defines what classes and properties can be
accessed via RAP. By default the published properties of any class that is
registered with Delphi's RegisterClass procedure is recognized by RAP. In
addition many of the public properties and methods of ReportBuilder classes
are exposed.







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