.CHART SET CNR STYLE

This subroutine sets the corner style of the "current" chart spec.

Usage:

      PASS         <cnr_style>                FIELD            SHARE? N
      GOSUB    0CD .CHART SET CNR STYLE
      *        Check for error
      IF       0CD .CHART SET CNR STYLE       NE

Description:

This subroutine sets or resets the corner style of the border around the chart area for the "current" chart spec. The <cnr_style> value specifies the desired style.

The <cnr_style> parameter is optional. If specified, it must be one of the following values: Square, Squared, Round or Rounded.

If you set a <cnr_style>, you must also call either .CHART SET EDGE COLOR to set an edge color or .CHART SET BG COLOR to set a background color, otherwise your corners will not be visible (they will be the same colour as your background). You can also set a background graphic via .CHART SET BG IMAGE or background tiling via .CHART SET BG WALLPAPR to differeniate your chart background from the corners.

If a <cnr_style> parameter is not received or if the value received is blank, then the corner style of the chart spec is cleared and the default corner style will be rendered.

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-- JeanNeron - 2011-09-22