DemoHelper, a tool for computer demonstration

Document directory

• Basic operation
• Keyboard shortcuts

Basic Operation

The DemoHelper runs in the system tray, where you can activate and configure it with a simple right-click:

In the options dialog, you can configure the hotkeys for the two main modes of operation: zooming and drawing.

To start the drawing mode, either press the hotkey you configured for it, or doubleclick on the icon in the system tray.
Once in drawing mode, you can draw on the screen:
As shown in the screenshot above, it's possible to draw arrows and lines in different colors. also a special 'marker' is available to highlight areas on the screen, as done above with the 'file2. * 'filenames.
The colors are merged together with the screen by default. But it's possible to draw with solid colors if needed.

Keyboard shortcutsZooming Mode

Up

Zooms in

Down

Zooms out

Enter or left mouseclick

Activates drawing of the zoomed Area

Escape

Cancels zooming Mode

Zooming is also possible using the mouse wheel.

Drawing Mode

Up/down or Ctrl-mousewheel

Increases/decreases the size of the drawing brush

Right or mousewheel

Cycles through the available brush colors

0-9

Select the brush colors

Shift while drawing

Forces horizontal/vertical drawing

Control while drawing

Drawing straight lines

Right mouse-drag

Draws arrow lines

Right mouse-drag with control key pressed

Draws straight lines

Escape

Quits drawing mode

Backspace

Removes the last line drawn

Delete

Removes the first line drawn

E

Removes all drawn lines

M

Toggles the marker on/off

T

Toggles between solid and merged drawing

Z

Select a rectangle to zoom in

C

Clears the screen with the background color