User Guide > Objects > Object Actions > On Mouse Over Actions > Changing line action
This action allows you to change line properties of an object when the mouse pointer is held over the object at run time.
Width: this parameter specifies the width of the outline.
Color: this parameter specifies the color of the outline.
Style: the style of the outline. One of the following: Solid(antialiasing), Solid, Dash, Dot, DashDot, DashDotDot, None.
Note: When the None style is selected the outline is not displayed at all.
Opacity: the opacity of the line value can be set here.