DesktopRectangle.BorderColor
From Xojo Documentation
Property (As Color )
aDesktopRectangle.BorderColor = newColorValue
or
ColorValue = aDesktopRectangle.BorderColor
New in 2021r3
Supported for all project types and targets.
or
ColorValue = aDesktopRectangle.BorderColor
New in 2021r3
Supported for all project types and targets.
The color of the edges of the rectangle.