'Declaration
 
Protected Overridable Sub OnPreviewKeyDown( _
   ByVal e As System.Windows.Input.KeyEventArgs _
) 

'Usage
 
Dim instance As DropDownButton
Dim e As System.Windows.Input.KeyEventArgs
 
instance.OnPreviewKeyDown(e)

protected virtual void OnPreviewKeyDown( 
   System.Windows.Input.KeyEventArgs e
)

protected procedure OnPreviewKeyDown( 
    e: System.Windows.Input.KeyEventArgs
); virtual; 

protected function OnPreviewKeyDown( 
   e : System.Windows.Input.KeyEventArgs
);

protected: virtual void OnPreviewKeyDown( 
   System.Windows.Input.KeyEventArgs* e
) 

protected:
virtual void OnPreviewKeyDown( 
   System.Windows.Input.KeyEventArgs^ e
) 

Parameters

e

Target Platforms: 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

DropDownButton Class
DropDownButton Members