'Declaration
<SRCategoryAttribute("CatDragDrop")> <SRDescriptionAttribute("ControlOnDragEnterDescr")> Public Event DragEnter As System.Windows.Forms.DragEventHandler
'Usage
Dim instance As DicomViewer Dim handler As System.Windows.Forms.DragEventHandler AddHandler instance.DragEnter, handler
[SRCategory("CatDragDrop")] [SRDescription("ControlOnDragEnterDescr")] public event System.Windows.Forms.DragEventHandler DragEnter
public event DragEnter: System.Windows.Forms.DragEventHandler;
In JScript, you can handle the events defined by another class, but you cannot define your own.
[SRCategory("CatDragDrop")] [SRDescription("ControlOnDragEnterDescr")] public: __event System.Windows.Forms.DragEventHandler* DragEnter
[SRCategory("CatDragDrop")] [SRDescription("ControlOnDragEnterDescr")] public: event System.Windows.Forms.DragEventHandler^ DragEnter
Event Data
The event handler receives an argument of type System.Windows.Forms.DragEventArgs containing data related to this event. The following DragEventArgs properties provide information specific to this event.
Property | Description |
---|---|
AllowedEffect | Gets which drag-and-drop operations are allowed by the originator (or source) of the drag event. |
Data | Gets the System.Windows.Forms.IDataObject that contains the data associated with this event. |
Effect | Gets or sets the target drop effect in a drag-and-drop operation. |
KeyState | Gets the current state of the SHIFT, CTRL, and ALT keys, as well as the state of the mouse buttons. |
X | Gets the x-coordinate of the mouse pointer, in screen coordinates. |
Y | Gets the y-coordinate of the mouse pointer, in screen coordinates. |
Requirements