# Using Line Annotations

You can draw straight lines and arrows.
Procedure
1.
Select line annotation from the [Tool] menu or the line annotation button in the annotation toolbar in Viewer. For example, select [Line/Black/1pt] from [1 Basic].
The cursor changes to the shape of cross.
2.
When [Decide shape when pasting] is selected, drag the cursor annotation to draw a line. You can draw a line at an angle that is a multiple of 15 degrees by dragging the cursor while pressing the <Shift> key.
If the tool is configured so that a predefined shape of line is pasted, click to paste it.

## Changing the length and direction of a straight line

After pasting a straight line, select and drag its start or end point to change its length and direction.
You can change the direction at a multiple of 15 degrees by dragging the point while holding down the <Shift> key.

## Changing the properties

Using the [Line Properties] dialog box or the property toolbar, you can change the color and width of the line and the type of the arrow after pasting the line.