BscDNDDragSource Class Reference

Inheritance diagram for BscDNDDragSource:

Public Member Functions
	BscDNDDragSource (IPMUnknown *boss)
bool16	WillDrag (IEvent *e) const
bool16	DoAddDragContent (IDragDropController *DNDController)
Public Member Functions inherited from CDragDropSource
	CDragDropSource (IPMUnknown *boss)
virtual CursorSpec	GetDragCursor (DragDrop::eTargetResponse, bool16 isDragLocal) const
virtual SysWireframe	DoMakeDragOutlineRegion () const
virtual ErrorCode	ProcessDragDropCommand (IDragDropController *, DragDrop::eCommandType)
virtual IDataBase *	GetSourceDataBase () const

Additional Inherited Members
Public Types inherited from IDragDropSource
enum	{ kDefaultIID = IID_IDRAGDROPSOURCE }

Detailed Description

Provides drag capability. Most of the functionality is implemented in the parent (helper) implementation class.

Constructor & Destructor Documentation

Binds the C implementation class onto its ImplementationID making the C code callable by the application * BscDNDDragSource::BscDNDDragSource

(

IPMUnknown *

boss

)

Constructor.

Parameters

boss	interface ptr from boss object on which this interface is aggregated.

Member Function Documentation

bool16 BscDNDDragSource::DoAddDragContent ( IDragDropController *  DNDController )

virtual

we override this method to add the content we want to drag from this widget.

Parameters

DNDController

IN the controller in charge of this widget's DND capabilities.

Returns

kTrue if valid content has been added to the drag

Reimplemented from CDragDropSource.

bool16 BscDNDDragSource::WillDrag ( IEvent *  e ) const

virtual

we will only allow the drag if there is an existing document. We faux the creation of a page item, this simplifies the database requirements.

Parameters

e	IN the event signifying the start of the drag.

Returns

kTrue if we will drag from this location, otherwise kFalse.

Reimplemented from CDragDropSource.