CategoryAxis.Mark Property (ExGraph) | Exontrol Docs

property CategoryAxis.Mark as String

Specifies the configuration options for highlighting areas in the chart or axis associated with specific units of the category axis

Type

Description

String

A string expression that specifies the configuration options for highlighting areas in the chart or axis associated with specific units of the category axis, in "color[showIn](number|expression),color[showIn](number|expression),..." format where:

color (CSS name or #RRGGBB) is required
showIn ("chart"/"axis", default "chart") is optional
number (category index) is optional
expression (using index for position, value for numerical data, or label for text) supports constants, operators, and keywords. This expression supports predefined constants and operators/functions as described here

This feature allows highlighting portions of charts based on a specific index, label on the category axis, or an expression.

By default, the Mark property is "". The Mark property defines the configuration options for highlighting areas in the chart or axis that correspond to specific units on the category axis. The Color property specifies the category-axis's background color.

For instance,

"#F8F8F8(2)", highlights the category with the index 2 in #F8F8F8 color
"blue(date(value) format 'MMMM' = 'February')" , highlights the entire month of February
"blue(label = 'February')", highlights the entire month of February
"blue(index in (1,3)),red[axis](2)", highlights the category at index 1 and 3 in blue (in the chart section), and highlights the category at index 2 in red (in the axis section only)