INameSpaceTreeControlDropHandler interface

Exposes handler methods for drag-and-drop. Used by the namespace tree control to notify the client of any drag-and-drop operation happening within the control. Provides a way for a client to intercept a drop operation and perform its own action, or to return the desired drop effect.

Members

The INameSpaceTreeControlDropHandler interface inherits from the IUnknown interface. INameSpaceTreeControlDropHandler also has these types of members:

Methods

The INameSpaceTreeControlDropHandler interface has these methods.

MethodDescription
OnDragEnter

Called on drag enter to set drag effect, as specified.

OnDragLeave

Called on drag leave for a specified item.

OnDragOver

Called on drag over to set drag effect, as specified.

OnDragPosition

Called when the item is being dragged within the same level (within the same parent folder) in the tree.

OnDrop

Called on drop to set drop effect, as specified.

OnDropPosition

Called when the item is being dropped within the same level (within the same parent folder) in the tree.

 

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Shobjidl.h

IDL

Shobjidl.idl

See also

INameSpaceTreeControl
IDropTarget
IDataObject

 

 

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