Sliders and Borders Click and hold on the triangles in the vertical and horizontal sliders to move within the current page. Click and drag within the outer borders to expand or shrink the height or width of the display, or click in any corner of the outer borders to proportionally expand or shrink the height and width of the display. For information related to using the sliders or borders, double click on an item from the list of additional topics below. Additional topics: * Overview of the CDA Viewer * Using the CDA Viewer Window * Left Arrow Button * Page... Button * Right Arrow Button * Cancel Button in the CDA Viewer Window