|Visio XML Reference|
Marks the beginning of a character properties run that is formatted according to the corresponding Char element. The run is defined to the end of the text or until the next
Required int. The Char element index that this property run represents.
In the following example, the code excerpts result in the following text appearing in the shape:
This character run is formatted as 10 point bold text, while this character run is formatted as 12 point italic text.