After dropping a source file onto the "Main" and scrolling a few lines down:

After right-clicking into editing instance and pointing on "Split" option:
After Splitting Horizontally and scrolling down few lines:

After Splitting Vertically and scrolling down few lines:

After clicking on "Bookmark" icon and navigating down few lines:

After double-clicking on a word which is shown as selected text:

After selecting text with mouse keeping left-button down ( stream mode ):

After clicking on icon "Selection Mode" and selecting text with mouse keeping left-button down ( column mode ):

After zooming-in by clicking on left-toolbar "Zoom-in" icon:

After zooming-out by clicking on left-toolbar "Zoom-out" icon:

And after switching-off current line highlight, horizontal ruler, and line-numbers.

Next: Left Docking Panes
Page url:
http://hbide.vouch.info/?only_editor.htm