Flash CS4 Tutorial
How to Zoom In and Zoom Out in Flash
The Zoom tool is used to zoom in and zoom out of the stage.
Add a rectangular object to the workspace with the Rectangle tool (r key).
Select the Zoom tool (m key) and click the workspace multiple times at the rectangle to zoom in.
With the Zoom tool still selected, press and hold the Option key (PC-Alt key). The magnifying glass changes from a plus sign to a minus sign.
With the minus sign visible, click multiple times to zoom out.