navigation

To move through a document to get to the content you want, you do such things as scroll, follow hyperlinks, and use bookmarks. iSilo™ provides many ways to navigate through a document:

scrolling

Scrolling involves a sequential movement either up or down through the content of a page. For example, if you read a novel, you may scroll down line by line as you read or you may read a full screen of text then move on to the next screen of text. iSilo™ provides many options for scrolling, so you can choose the method most comfortable to you.

using a scroll bar

iSilo™ places a vertical scroll bar on the right for scrolling up and down through the page. If the content of the page is wider than the screen, then a horizontal scroll bar appears along the bottom for scrolling left and right.

the vertical scroll bar

The vertical scroll bar allows five different scroll operations:

scroll up a line:
Click on the upward pointing arrowhead of the scroll bar to scroll up a line. If the current first line is partially displayed, then it scrolls in to become fully displayed. If the current first line is already fully displayed, then the line above it scrolls in to become fully displayed.

The distance scrolled is in all cases limited to a tenth of the height of the view area. This means that if you have a tall image that you are scrolling in from the top, each time you scroll up by a line, only an amount equal to one tenth of the view height scrolls in each time.

scroll down a line
Click on the downward pointing arrowhead of the scroll bar to scroll down a line. If the current last line is partially displayed, then it scrolls in to become fully displayed. If the current last line is already fully displayed, then the line below it scrolls in to become fully displayed.

The distance scrolled is in all cases limited to a tenth of the height of the view area. This means that if you have a tall image that you are scrolling in from the bottom, each time you scroll down by a line, only an amount equal to one tenth of the view height scrolls in each time.

scroll up a screen
Click in the area below the upward pointing arrowhead and above the scroll car to scroll up a screen. By default, when you scroll up a screen, if the current first line is partially displayed, it becomes fully displayed as the last line after the scroll. Otherwise, the line above it becomes the last line after the scroll. This behavior is called full with text align. You can use the
Scroll tab of the Options dialog to change the screen up behavior.

scroll down a screen
Click in the area above the downward pointing arrowhead and below the scroll car to scroll down a screen. By default, when you scroll down a screen, if the current last line is partially displayed, it becomes fully displayed as the first line after the scroll. Otherwise, the line below it becomes the first line after the scroll. This behavior is called full with text align. You can use the
Scroll tab of the Options dialog to change the screen down behavior.

scroll to a relative location within the page
The scroll car is the rectangle that shows the size and location of the currently displayed content relative to the current page. You can drag the scroll car to scroll to the content at a relative location within the page.

the horizontal scroll bar

The horizontal scroll bar allows five different scroll operations: The horizontal scroll bar does not appear unless there is content on the page wider than the width of the view area.

scroll left a line:
Click the leftward pointing arrowhead of the scroll bar to scroll left by a line. In the case of horizontal scrolling, the distance of a line is about 5% of the view area width.

scroll right a line
Click the rightward pointing arrowhead of the scroll bar to scroll right by a line. In the case of horizontal scrolling, the distance of a line is about 5% of the view area width.

scroll left a screen
Click in the area to the right of the leftward pointing arrowhead and to the left of the scroll car to scroll left a distance equal to about 95% of the view area width.

scroll right a screen
Click in the area to the right of the scroll car and to the left of the rightward pointing arrowhead to scroll right a distance equal to about 95% of the view area width.

scroll to a relative location within the page
The scroll car is the rectangle that shows the width and location of the currently displayed content relative to the maximum width of the content on the current page. You can drag the scroll car to scroll the content horizontally.


drag scrolling

By default, you can drag across the screen to scroll the content in the direction that you drag. Using the
Region tab of the Options dialog, you can configure which regions respond to drag scrolling. You can also adjust the size of each region. Drag scrolling is easy to use and allows you to position content on the screen to the precision of a pixel.

click scrolling

Click scrolling allows you to simply click the screen to scroll up or down by a line or a screen. By default, click scrolling is not enabled. Using the
Region tab of the Options dialog, you can configure which regions respond to click scrolling, the sizes of the regions, and the scroll actions that occur when you click specific regions. If you configure a region to scroll when you click it, then you can click the region once to perform the scroll action once or hold the mouse button down on the region to repeat the scroll action continuously for as long as you leave the button down in the region.

Note: If you configure any of the regions for an action of screen up or screen down, then please note that the options you set on the Scroll tab of the Options dialog determine the specific behavior of the screen up or screen down action.


scroll keys

Use the up, down, left, and right cursor keys to scroll by a line in the respective direction.

Use the Page Up and Page Down keys to scroll up and down, respectively, by a screen. As with the other methods of scrolling by a screen, the Scroll tab of the Options dialog determines the specific behavior of the screen up and screen down actions.


mouse scroll wheel

If your mouse has a scroll wheel, then each rotation step scrolls the content by the number of lines as determined by your system settings. Usually, the setting is three lines. Please consult your computer system documentation for information on how to change the number of lines scrolled by the mouse wheel.

links

Links, also known as hyperlinks, are words or images in the content of the document that you can click to jump to the target of the link. The item you click is also known as the link's source. In a well-designed document, the author will have interspersed relevant links throughout the content of the document so that the person viewing the document can easily jump to other relevant or interesting parts of the document.

One common use of links is in a table of contents, whereby it is handy for each item in the table of contents to be a link to its content so that you can simply click on an item to jump to the content. This is much easier than having to search for the page or location where the content starts.

Usually, a textual link has a visual indication such as a dotted underline to indicate that it is a link. But it is possible for a link to not have any such indication if the author styled it as such.

following a link

To jump to the target of a link, move the mouse pointer over the link and hold the mouse button down until the link highlights and then release the mouse button with the mouse pointer within the bounds of the highlight. If you release the button outside the bounds of the highlight, you do not jump to the link's target. Jumping to the target of the link is also known as following the link.

hyperlink mode

In hyperlink mode, you can iterate across the links currently visible on the screen using the Tab key and the up, down, left, and right cursor keys. To enter hyperlink mode, hit the Tab key to highlight the first link currently visible on the screen or use Shift+Tab to jump to the last link currently visible on the screen. To follow the current highlighted link, hit the space or return key. To exit hyperlink mode, hit the Esc key.

returning from a link

Whenever you follow a link, iSilo™ adds the location of the link's source to the
jump history. So after you follow a link and are done reading the content at the link's target, you can immediately return to the location from where you followed the link and continue reading from where you left off there. See jump history for how to jump back.

jump history

iSilo™ keeps track of jumps you have made using any of the following methods:
For each such jump, iSilo™ remembers the point from where you made the jump. It can remember up to 16 jumps within a given document and up to eight jumps to external documents.

This allows you to easily jump back to recent jump points. If you have jumped anywhere, then in the tool bar, the Back button becomes enabled. This indicates that you can click it to jump back to the last location from where you made the jump.

In addition to being able to jump back, you can also jump forward back to the location from where you made a return jump. You jump forward by clicking the Forward button that becomes enabled on the tool bar if you ever make a return jump.

You can clear the jump history by selecting Clear History from the Marks menu. iSilo™ saves the jump history across document closes and opens. Note that this saved information does not include the history of jumps to external documents.


bookmarks

A bookmark marks a location in a document and has an associated name. You can mark various locations within a document with bookmarks and easily jump to any of those locations at any time simply by selecting the desired bookmark from a list. Some documents may also already have predefined bookmarks.

adding a bookmark

Use the
Add Bookmark command on the Marks menu to activate the Add Bookmark dialog to set a bookmark at the current location. See bookmark types for a description of the types of bookmarks you can add to a document.

going to a bookmark

If the document has one or more bookmarks defined, you can click the Bookmarks button on the tool bar to display a list of bookmarks in the current document. Click a bookmark to go to the location that it marks.

editing bookmarks

You can rename, delete, and re-order the bookmarks in a document by using the Edit Bookmarks command on the Marks menu.

bookmark types

Bookmarks come in three types as described here:

Note: For documents in the Doc format, only local and document bookmarks are supported. Documents in iSilo™ format support all three bookmark types. All other document types only support local bookmarks.


marks

While
bookmarks provide a method for associating a name with a location in a document, marks provide additional methods for going to specific locations in a document.

unnamed mark

While viewing a document, you can easily mark the current location with the unnamed mark and return to the marked location at any time later. The unnamed mark does not require you to enter a name for it, so it is a quick way to mark the current location. One situation in which you might want to use it is if you want to remember your current location before scrolling through the document to scan for some other information. You can mark the current location with the unnamed mark, scan for the information, and then return to the unnamed mark. You can set one unnamed mark per document.

mark location

To mark the current location with the unnamed mark, click
Mark Location on the Marks menu.

jump to mark

At any time later after setting an unnamed mark, you can return to the marked location by clicking Jump to Mark on the Marks menu.

page marks

You can jump to the top or bottom of the current page or to any page of the document.

top of the page

Hit the Home key to jump to the top of the current page.

bottom of the page

Hit the End key to jump to the bottom of the current page.

previous page

If the document has more than one page and you are not currently on page one, you can click the
Previous Page button on the tool bar to go to the top of the previous page.

next page

If the document has more than one page and you are not currently on the last page, you can click the Next Page button on the tool bar to go to the top of the next page.

first page

To jump to the top of the first page of the document, click the Go To button on the tool bar to get the Go To dialog, and then click First Page.

last page

To jump to the top of the last page of the document, click the Go To button on the tool bar to get the Go To dialog, and then click Last Page.

any page

To jump to the top of any page of the document, click the Go To button on the tool bar to get the Go To dialog, enter the page number in the field, and then click Go To.
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