'Declaration
Public Class FormulaTextBox Inherits FarPoint.Win.Spread.Controls.RichTextBoxEx Implements FarPoint.Win.Spread.CellType.IRichTextEditor
'Usage
Dim instance As FormulaTextBox
public class FormulaTextBox : FarPoint.Win.Spread.Controls.RichTextBoxEx, FarPoint.Win.Spread.CellType.IRichTextEditor