'Declaration
 
Protected Overridable Sub OnFormatPatternChanged( _
   ByVal oldValue As DateFormatPattern, _
   ByVal newValue As DateFormatPattern _
) 

'Usage
 
Dim instance As DateUpDown
Dim oldValue As DateFormatPattern
Dim newValue As DateFormatPattern
 
instance.OnFormatPatternChanged(oldValue, newValue)

protected virtual void OnFormatPatternChanged( 
   DateFormatPattern oldValue,
   DateFormatPattern newValue
)

Parameters

oldValue

newValue

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

DateUpDown Class
DateUpDown Members