Gets or sets a value indicating the centering of the text box.
The way it works fundamentally is to determine the smallest possible "bounds box" for the text and then to center that "bounds box" accordingly. This is different than Alignment, which aligns the text within the "bounds box" for the text.
This property is compatible with all of the different kinds of VerticalAlignment.
Default value is .
This member is currently not supported in PDF, XPS and image formats.