Syntax 4 For creating an overlay in a graph – PB Docs 126

Syntax 4 For creating an overlay in a graph

Description

Specifies whether a series is an overlay, meaning that the
series is represented by a line on top of another graph type.

Controls

Graph controls in windows and user objects, and graphs in
DataWindow controls

Syntax

Argument

Description

controlname

The name of the graph in which you want
to set the overlay status of a series, or the name of the DataWindow
control containing the graph.

graphcontrol (DataWindow control
only) (optional)

A string whose value is the name of the
graph in the DataWindow control in which you want to set the overlay status.

seriesname

A string whose value is the name of the
series whose overlay status you want to change.

overlaystyle

A boolean value indicating whether you
want the series to be an overlay, meaning that the series is shown
in front as a line. Set overlaystyle to true to
make the specified series an overlay. Set it to false to
remove the overlay setting.

Return Values

Integer. Returns 1 if it succeeds and
-1 if an error occurs. If any argument’s value is null, SetSeriesStyle returns null.

Usage

For a graph in a DataWindow, you can specify the appearance
of a series in the graph before PowerBuilder draws the graph. To
do so, define a user event for pbm_dwngraphcreate and
call SetSeriesStyle in the script for that event.
The event pbm_dwngraphcreate is triggered
just before a graph is created in a DataWindow object.

note.png Using SetSeriesStyle with DirectX 3D Graphs

You cannot use the overlay style for a series.

Examples

This statement sets the style of the series named Costs in
the graph gr_product_data to
overlay:

These statements in the Clicked event of the DataWindow
control dw_employees store the style
of the series under the pointer in the graph gr_depts in
the variable style_type. If the style
of the series is overlay (true), the script changes
the style to normal (false):

See Also


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