With the Screen Draw Tools of Presentation Assistant, you can draw all kinds of lines, rectangles, circles, or add text marks or picture marks on the computer screen to emphasize or clarify the text or diagrams, so the interpretation or demonstration can be clearer.
Drawing on computer screen when you want to:
- Demonstrate how to work with a software application or point to any error by circling it.
- Stress on important details in a complex picture, map or diagram.
- Explain how to navigate through, develop or modify a web site.
- Highlight important aspects in company presentations, demos and tutorials.
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To Draw on screen, just click the Screen Draw button or with the system-wide hot keys Ctrl + 2, The screen will be frozen and a drawing toolbar will float on screen.

(click for a larger version)
The screen draw tools include: Line, Arrow, Pen, Brush, Rectangle and Ellipse, And you can choose from different width pens to draw in your choice of color.

The following table describes each of the screen draw tools along with their description and use.
| Button |
Tool Name |
Description & Use |
 |
Line |
Draw straight line on screen with selected line style |
 |
Polyline |
Draw polyline on screen, Double-click when done |
 |
Pencil |
Draw free-form line on screen |
 |
Brush |
Draw using a brush |
 |
Text |
Write text on screen |
 |
Image |
Draw image on computer screen |
 |
Rectangle |
Draw rectangle or square on screen |
 |
Ellipse |
Draw ellipse on screen |
 |
Solid Rectangle |
Draw solid rectangle on screen |
 |
Solid Ellipse |
Draw solid ellipse on screen |
 |
Clear All |
Clear all and exit screen drawing |
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2. Draw on Live Screen
You can aloso click the Live button to draw on a “live” screen without freezing screen. For example you can write or draw on a video as it was playing.
3. Draw on Whiteboard
Presentation Assistant emulates a computer whiteboard.Click Board button and shows as following.
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4. Shortcut keys for computer screen drawing
As shown below, the hotkey are available when screen draw is enabled.
To do this |
Press this Key Combination: |
| Increase/decreases the size of the drawing brush |
Up/Down |
| Cycles through the available brush colors |
Right/Left |
| Cycles through the available shapes |
Space |
| Cycles through the available line style or picture |
Tab |
| Zoom in/Zoom out |
Ctrl+Wheel |
| Release mouse |
Right Click |
Switch to select mode
Return to Windows while in select mode |
Escape |
| Repeat the previous function |
F3 |
| Removes the last drawn |
Backspace |
| Forces horizontal/vertical drawing line |
Hold Shift Key |
| Draw straight line on screen |
L |
| Draw polyline on screen |
O |
| Draw screen freely |
P |
| Draw using brush |
B |
| Write text on screen |
T |
| Draw image on screen |
I |
| Draw rectangle on screen |
R |
| Draw ellipse on screen |
E |
| Draw solid rectangle on screen |
Shift + R |
| Draw solid ellipse on screen |
Shift + E |
| Clear all |
Ctrl + Del |
| Choose the brush color |
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