'Declaration
 
Protected Overridable Sub OnCommandChanged( _
   ByVal oldValue As ICommand, _
   ByVal newValue As ICommand _
) 

'Usage
 
Dim instance As Button
Dim oldValue As ICommand
Dim newValue As ICommand
 
instance.OnCommandChanged(oldValue, newValue)

protected virtual void OnCommandChanged( 
   ICommand oldValue,
   ICommand 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

Button Class
Button Members