The mouse tools on the Annotation, Redaction and E-Signature menus can be selected to be used once or multiple times. The following section describes how to use this functionality in the Viewer. For API documentation on sticky mouse tools, refer to the fn namespace topic.

To use the mouse tool once:

1. Click on the mouse tool once and you can use the mouse tool one time:

To use the mouse tool multiple times (known as "sticky mouse tool"):

1. Click on the mouse tool twice and it will lock the mouse tool so that you can use it multiple times. Note that when the mouse tool is clicked on twice, the background turns gray and the mouse tool turns white:

Further clicks on the mouse tool will toggle it from locked to unlocked.

When you lock the mouse tool, it will disable touch-based scrolling.

2. To turn off the mouse tool completely, switch to a different tool. For example, click on the Hand Pan tool at the bottom of the Viewer:

The default mouse tool is the Hand Pan tool.