Font.RichTextSize (gb.qt4)
Function RichTextSize ( Text As String [ , Width As Integer ] ) As Rect
Return the size of a rich text fragment.
If
Width is specified, then the rich text width is constrained to its value.
Otherwise, it can expand horizontally as much as needed.
This property computes the same thing as
RichTextWidth and
RichTextHeight, but in one shot.