PreviewTouchDown Event (DropDownButton)

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
<CustomCategoryAttribute("Touch")>
Public Event PreviewTouchDown As System.EventHandler(Of TouchEventArgs)

'Usage
 
Dim instance As DropDownButton
Dim handler As System.EventHandler(Of TouchEventArgs)
 
AddHandler instance.PreviewTouchDown, handler

[CustomCategory("Touch")]
public event System.EventHandler<TouchEventArgs> PreviewTouchDown

public event PreviewTouchDown: System.EventHandler;

In JScript, you can handle the events defined by another class, but you cannot define your own.

[CustomCategory("Touch")]
public: __event System.EventHandler<TouchEventArgs*>* PreviewTouchDown

[CustomCategory("Touch")]
public:
event System.EventHandler<TouchEventArgs^>^ PreviewTouchDown

The event handler receives an argument of type System.Windows.Input.TouchEventArgs containing data related to this event. The following TouchEventArgs properties provide information specific to this event.

Property	Description
Device	(Inherited from System.Windows.Input.InputEventArgs)
Handled	(Inherited from System.Windows.RoutedEventArgs)
OriginalSource	(Inherited from System.Windows.RoutedEventArgs)
RoutedEvent	(Inherited from System.Windows.RoutedEventArgs)
Source	(Inherited from System.Windows.RoutedEventArgs)
Timestamp	(Inherited from System.Windows.Input.InputEventArgs)
TouchDevice	Gets the touch that generated the event.

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