To Dynamically Zoom in or out in a View

Select the Zoom view control.
Enter a data point in the view to set the origin or point about which the zoom originates.
Do one of the following:

Move the cursor up or to the left to zoom in.

or
Move the cursor to the right or down to zoom out.

The greater the distance between the cursor and the origin or point about which the zoom originates, the faster it zooms.