PreviewQueryContinueDrag Event (DropDownButton)

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

'Declaration
 
Public Event PreviewQueryContinueDrag As System.Windows.QueryContinueDragEventHandler

'Usage
 
Dim instance As DropDownButton
Dim handler As System.Windows.QueryContinueDragEventHandler
 
AddHandler instance.PreviewQueryContinueDrag, handler

public event System.Windows.QueryContinueDragEventHandler PreviewQueryContinueDrag

public event PreviewQueryContinueDrag: System.Windows.QueryContinueDragEventHandler;

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

public: __event System.Windows.QueryContinueDragEventHandler* PreviewQueryContinueDrag

public:
event System.Windows.QueryContinueDragEventHandler^ PreviewQueryContinueDrag

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

Property	Description
Action	Gets or sets the current status of the associated drag-and-drop operation.
EscapePressed	Gets a Boolean value indicating whether the ESC key has been pressed.
Handled	(Inherited from System.Windows.RoutedEventArgs)
KeyStates	Gets a flag enumeration indicating the current state of the SHIFT, CTRL, and ALT keys, as well as the state of the mouse buttons.
OriginalSource	(Inherited from System.Windows.RoutedEventArgs)
RoutedEvent	(Inherited from System.Windows.RoutedEventArgs)
Source	(Inherited from System.Windows.RoutedEventArgs)

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