Tools
When the Tools tab is selected the following options are available::
Figure 1. Preferences Dialog Box, Tools Tab Selected
•Use the Default Tool menu to select the default tool in PDF-XChange Editor.
•Select the Remember last used tool box to retain the active tool between sessions.
•Select the Keep current tool as default box to retain the active tool when new documents are opened.
•Use the Activate Links by dropdown menu to determine how links are activated.
•Select the Use middle mouse button box to autoscroll pages with the middle mouse button. When this option is enabled you can click and hold the middle mouse button and then drag the mouse to scroll pages.
Click Apply to apply changes and OK to save changes.