Access the line styles library. How to
Select the line style in the Line Style window.
Select Line Style > Edit Line Style, or right-click and select Edit Line Style.
To select a different linetype,
make the desired selection from the Linetype
drop box in the Edit Line Styles
dialog, or click the Browse button next to the Linetype
drop box to access the Linetypes
dialog. You can add
or edit linetypes
to suit your needs.
To select a different color for the line style, click the Color box, then select the line color you want from the Color dialog.
Click OK.