Application
The projection tool allows user to make a projection for price moving forward. The user places a point of origin on the chart. A second point must be placed (moving horizontally to the right) somewhere in the future. Finally, the third point should be placed at an estimated price. This will complete the projection drawing.
Style
In Style tab of properties dialog it is possible to change the appearance of a projection drawn:
Background
Toggles the color and opacity level of a projection background.
Border
Sets the color and thickness of a projection border.
Visibility
In visibility properties dialog you can switch the Projection tool displaying on charts of different timeframes: