Project lets you change the line pattern, progress point shape and colors for your progress lines. You can also have a different style for the current and other progress lines. This section covers how to change the way your progress lines appear onscreen.
Changing the Progress Line Type
Right-click in an empty part of the Gantt Chart view.
Select Progress Lines from the menu.
Click the Line Styles tab of the dialog.
Select a line type by clicking on the type you want to use.
Click OK to save the changes.
Changing the Line Style for the Current Progress Line
Right-click in an empty part of the Gantt Chart view.
Right-click in an empty part of the Gantt Chart view. 
Select Progress Lines from the menu. 
Click the Line Styles tab of the dialog. 
Select a line type by clicking on the type you want to use. 
Click OK to save the changes. 
Choose the progress point shape. 
Select the color for the progress point. 
Click OK to save the changes. 
