INameSpaceTreeControlDropHandler interface (shobjidl.h)
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.
Inheritance
The INameSpaceTreeControlDropHandler interface inherits from the IUnknown interface. INameSpaceTreeControlDropHandler also has these types of members:
Methods
The INameSpaceTreeControlDropHandler interface has these methods.
| INameSpaceTreeControlDropHandler::OnDragEnter Called on drag enter to set drag effect, as specified. |
| INameSpaceTreeControlDropHandler::OnDragLeave Called on drag leave for a specified item. |
| INameSpaceTreeControlDropHandler::OnDragOver Called on drag over to set drag effect, as specified. |
| INameSpaceTreeControlDropHandler::OnDragPosition Called when the item is being dragged within the same level (within the same parent folder) in the tree. |
| INameSpaceTreeControlDropHandler::OnDrop Called on drop to set drop effect, as specified. |
| INameSpaceTreeControlDropHandler::OnDropPosition Called when the item is being dropped within the same level (within the same parent folder) in the tree. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | shobjidl.h |