The rendering of a text was made completely only by the means of GDI+.
The component works fast enough with a large amount of text and also possesses tools to make comfortably dynamic syntax highlighting.
It has such settings as foreground color, font style, background color which can be adjusted for arbitrarily selected text symbols. One can easily gain access to a text with the use of regular expressions. WordWrap, Find/Replace, Code folding and multilevel Undo/Redo are supported as well.