ToolStripItem.IDropTarget.OnDragEnter(DragEventArgs) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Raises the DragEnter event.
virtual void System.Windows.Forms.IDropTarget.OnDragEnter(System::Windows::Forms::DragEventArgs ^ dragEvent) = System::Windows::Forms::IDropTarget::OnDragEnter;void IDropTarget.OnDragEnter (System.Windows.Forms.DragEventArgs dragEvent);abstract member System.Windows.Forms.IDropTarget.OnDragEnter : System.Windows.Forms.DragEventArgs -> unit
override this.System.Windows.Forms.IDropTarget.OnDragEnter : System.Windows.Forms.DragEventArgs -> unitSub OnDragEnter (dragEvent As DragEventArgs) Implements IDropTarget.OnDragEnterParameters
- dragEvent
- DragEventArgs
A DragEventArgs that contains the event data.
Implements
Remarks
Raising an event invokes the event handler through a delegate. For more information, see Handling and Raising Events.
The IDropTarget.OnDragEnter method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.
Notes to Inheritors
When overriding IDropTarget.OnDragEnter(DragEventArgs) in a derived class, be sure to call the base class' IDropTarget.OnDragEnter(DragEventArgs) method so that registered delegates receive the event.
