IRsDragDropOverrideManager Interface Reference

Inherits IUnknown.

List of all members.

Public Member Functions
HRESULT	RegisterHandler ([in] IRsDragDropOverride *pOverride)
HRESULT	UnRegisterHandler ([in] IRsDragDropOverride *pOverride)
HRESULT	DropObject ([in] IRsNode *pViewNode,[in] POINT *ptPoint,[in] RtUlong ulKey,[in] VARIANT vVal)
HRESULT	CanAcceptObject ([in] IRsNode *pViewNode,[in] POINT *ptPoint,[in] RtUlong ulKey,[in] VARIANT vVal)

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Detailed Description

General manager for Drag and Drop overriding.

Register Drag&Drop overrides to this manager to receive D&D messages when user tries to drop RdDndDataObject object to windows that implement override mechanism.

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Member Function Documentation

HRESULT IRsDragDropOverrideManager::RegisterHandler

(

[in] IRsDragDropOverride *

pOverride

)

Register Drag and Drop handler.

Parameters:

pOverride

D&D handler to register

Returns:

standard HRESULT processing can be applied to returned value

HRESULT IRsDragDropOverrideManager::UnRegisterHandler

(

[in] IRsDragDropOverride *

pOverride

)

Unregister Drag and Drop handler.

Parameters:

pOverride

D&D handler to unregister

Returns:

standard HRESULT processing can be applied to returned value

HRESULT IRsDragDropOverrideManager::DropObject	(	[in] IRsNode *	pViewNode,
		[in] POINT *	ptPoint,
		[in] RtUlong	ulKey,
		[in] VARIANT	vVal
	)

Handle dropping of object.

Parameters:

	pViewNode	defines view node object is dropped to
	ptPoint	defines position where obj was dropped (relative to window)
	ulKey	user keys
	vVal	Object to drop

Returns:

standard HRESULT processing can be applied to returned value

HRESULT IRsDragDropOverrideManager::CanAcceptObject	(	[in] IRsNode *	pViewNode,
		[in] POINT *	ptPoint,
		[in] RtUlong	ulKey,
		[in] VARIANT	vVal
	)

Check, if any of D&D handlers accept object.

Parameters:

	pViewNode	defines view node object is dropped to
	ptPoint	defines position where obj was dropped (relative to window)
	ulKey	user keys
	vVal	Object to drop

Returns:

standard HRESULT processing can be applied to returned value