Polyline and Polygon

Instruction

1. Click the left mouse button and create a starting point of a line.

2. Move the cursor to draw an imaginary line.

3. If you click the left mouse button once more when a desired line is completed, an imaginary line will be drawn.

4. Double-click the blank space where you want to finish the line.

5. In case of a polygon, the first vertex and the last vertex are linked automatically.

Example