The basic steps to draw is as follows:
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1 Left mouse button click at the starting point
2 Draw the mouse while the button pushed
3 Release the button at the end point
Use left mouse button to draw, right mouse button to erase (using back color).
If you chose tools other than fill tool, you can select the pattern of the line.
Line Patters
Drawing Tools
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Line
Draw a line
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Rectangle Fill
Draw a filled rectangle
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Rectangle Frame
Draw a non-filled rectangle
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Ellipse Fill
Draw a filled ellipse
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Ellipse Frame
Draw a non-filled ellipse