'Declaration
 
Protected Overridable Function IsValid( _
   ByVal c As System.Char _
) As System.Boolean

'Usage
 
Dim instance As NNumericUpDownTextBox
Dim c As System.Char
Dim value As System.Boolean
 
value = instance.IsValid(c)

protected virtual System.bool IsValid( 
   System.char c
)

Parameters

c

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)

Reference

NNumericUpDownTextBox Class
NNumericUpDownTextBox Members