Configurates C1.Web.Mvc.InputMask.OverwriteMode. Sets a value that determines whether the input element handles input in overwrite mode. In **overwrite mode**, every character you type is displayed at the cursor position. If a character is already at that position, it is replaced.

'宣言
 
Public Function OverwriteMode( _
   ByVal value As System.Boolean _
) As InputMaskBuilder

public InputMaskBuilder OverwriteMode( 
   System.bool value
)