The ITextProvider type exposes the following members.
|GetSelection||Retrieves a collection of disjoint text ranges that are associated with the current text selection or selections.|
|GetVisibleRanges||Retrieves an array of disjoint text ranges from a text container. Each text range begins with the first partially visible line and ends with the last partially visible line.|
|RangeFromChild||Retrieves a text range that encloses a child element, such as an image, hyperlink, or other embedded object.|
|RangeFromPoint||Returns the degenerate (empty) text range that is nearest to the specified screen coordinates.|