DefaultChart Sub

 Action
 Initializes the elements of the variable type ChartEnvironment for the
 specified chart type and style.


 Syntax
 DefaultChart env, type%, style%

 Remarks
 The DefaultChart procedure uses the following arguments.

 env
 ---
 A variable dimensioned as type ChartEnvironment.

 type%
 -----
 An integer that defines the type of chart (1-5).

 style%
 ------
 An integer that defines the style of the chart (1-2).


 The variable type% can use either numeric data or constants found in the
 CHRTB.BI file to define the chart as shown in the following table.

 Value    Constant    Type of chart

 1        cBar        Bar
 2        cColumn     Column
 3        cLine       Line
 4        cScatter    Scatter
 5        cPie        Pie

 The value of the variable style% determines the style of the chart as shown
 here.

 Value   Bar      Column    Line             Scatter          Pie

 1       Plain    Plain     Lines & points   Lines & points   Percent
 2       Stacked  Stacked   Points only      Points only      No percent

 For program clarity, the following constants (found in the CHRTB.BI file)
 should be used in place of numeric arguments.

 Numeric argument    Equivalent constant

 1                   cPlain, cLines, cPercent
 2                   cStacked, cNoLines, cNoPercent