![](dotnetdiagramimages/C1_Win_C1Input_4_5_2_C1_Win_C1Input_C1TextBox.png)
'Declaration
Public Class C1TextBox Inherits System.Windows.Forms.TextBox
public class C1TextBox : System.Windows.Forms.TextBox
System.Object
System.MarshalByRefObject
System.ComponentModel.Component
System.Windows.Forms.Control
System.Windows.Forms.TextBoxBase
System.Windows.Forms.TextBox
C1.Win.C1Input.C1TextBox
C1.Win.C1Input.C1DropDownControl