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.
| Method | Description |
|---|---|
| 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] |
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Header |
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IDL |
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See also