property Pool.HeaderBorderColor(HeaderType as HeaderTypeEnum) as Color
Gets or sets a value that indicates the header's border color.

TypeDescription
HeaderType as HeaderTypeEnum A HeaderTypeEnum expression that indicates the horizontal ( top/bottom ) or vertical ( left/right) header.
Color A Color expression that specifies the color to show the header's border.
By default, the HeaderBorderColor property is -1 (transparent) The Background(exPoolVerticalHeaderBorderColor) specifies the color to show the border for vertical header for all pools on the surface, while the HeaderBorderColor property is -1. The Background(exPoolHorizontalHeaderBorderColor) specifies the color to show the border for horizontal header for all pools on the surface, while the HeaderBorderColor property is -1. The HeaderBorder property specifies the style to display the header's border. The Border property specifies the style of the border to show on pool. 

The following screen shot shows the borders of the header of the pool in red: