1. To start adding points, click Enable Drawing
2. To add new points to the line or to move points, click Enable Editing
3. To disable both modification of the line and points, click Disable Editing
4. To drag a marker, mouse over the marker, press the mouse button down, move the mouse around, let go of the button.
5. To change the color of the lines/markers, enter the hex value of the color of the form "#abcdef" into the input box and press the Change Color button.

Enable Drawing Enable Editing Disable Editing Compare with the original GMap v2 API|