To edit the attributes of a layer:

1. Click on the layer in the Layers list box.
2. Change the name in the Name edit box.
3. Select the pen and brush colors by clicking on the desired color. (The pen is the device that draws lines and borders while the brush is the device that fills areas.)
4. Select the pen size (the width of the pen in pixels).
5. Toggle the transparent, active, and visible attributes.
6. Click the OK button to accept the changes and return to the drawing.