'Declaration
 
Protected Overridable Sub OnFormatStringChanged( _
   ByVal oldValue As String, _
   ByVal newValue As String _
) 

'Usage
 
Dim instance As DateTimeUpDown
Dim oldValue As String
Dim newValue As String
 
instance.OnFormatStringChanged(oldValue, newValue)

protected virtual void OnFormatStringChanged( 
   string oldValue,
   string newValue
)

Parameters

oldValue

The old value.

newValue

The new value.

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

DateTimeUpDown Class
DateTimeUpDown Members