'Declaration
 
Protected Overridable Sub OnFormatChanged( _
   ByVal oldValue As DateTimeFormat, _
   ByVal newValue As DateTimeFormat _
) 

'Usage
 
Dim instance As DateTimeUpDown
Dim oldValue As DateTimeFormat
Dim newValue As DateTimeFormat
 
instance.OnFormatChanged(oldValue, newValue)

protected virtual void OnFormatChanged( 
   DateTimeFormat oldValue,
   DateTimeFormat newValue
)

Parameters

oldValue

The old DateTimeFormat.

newValue

The new DateTimeFormat.

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