From Xojo Documentation
| This item was deprecated in version 2019r2.
Please use Graphics.DrawRectangle as a replacement.
Draws the outline of a rectangle in the current color. The current color is set with the ForeColor property.
X and Y are the coordinates of the top-left corner. Width and Height specify the size of the rectangle.
This example draws two squares with a 5-pixel red border.
g.PenWidth = 5
g.DrawRect(10, 10, 100, 100)
g.DrawRect(130, 10, 100, 100)