CODDropTarget Class
class CODDropTarget: public COleDropTarget
OLE drop target.Defined in: OdDropTarget.h
Class Members
Constructor.
virtual ~CODDropTarget()
Destructor.
CODViewport* m_pViewport
A pointer to the viewport this drop target is associated with.
CODComponentSet m_setComponents
The set of components being dragged.
CODComponentSet m_setDependents
The set of components depedent on those being dragged.
CODComponentSetTracker m_compSetTracker
Calculates the tracking of the components.
CPoint m_ptOrigLog
The original point where the dragging operation first entered this viewport.
CPoint m_ptLastDragOver
The last point where the component were dragged.
CRect m_rcCompRect
The bounding rectangle of the components.
DWORD m_dwLastKeyState
The last key state.
BOOL m_bEraseOldTracking
TRUE if the last tracking needs to be erased.
int m_nLastMoveX
The last horizontal offest of the dragging.
int m_nLastMoveY
The last vertical offest of the dragging.
CODModel* GetModel()
Gets the model that the viewport observes.
CODController* GetCtlr() const
Gets the controller associated with this drop target.
CLIPFORMAT GetClipFormat()
Gets the clipboard format used for the dragging operation.
BOOL ClipboardTextEnabled() const
Indicates if text is supported for clipboard operations.
BOOL ClipboardEnhMetafileEnabled() const
Indicates if enhanced metafile format is supported for clipboard operations.
void ClearComponents()
Clears the component set from memory.
virtual BOOL IsSameModel()
Returns TRUE if this the drag operation is within one model.
virtual void GetOriginalComponents(CODComponentSet* pCompSet)
Gets the original components from the model that correspond to the copies used in this class.
virtual void OnDragScroll()
Called by the framework when the drag scroll timer fires.
virtual DROPEFFECT OnDragEnter(CWnd* pWnd, COleDataObject* pDataObject, DWORD dwKeyState, CPoint point)
Called when the drag operation first enters this viewport.
virtual void OnDragLeave(CWnd* pWnd)
Called when the drag operation leaves this viewport.
virtual DROPEFFECT OnDragOver(CWnd* pWnd, COleDataObject* pDataObject, DWORD dwKeyState, CPoint point)
Called as the components are being dragged across the viewport.
virtual BOOL OnDrop(CWnd* pWnd, COleDataObject* pDataObject, DROPEFFECT dropEffect, CPoint point)
Called when the components are dropped onto the viewport.
virtual DROPEFFECT OnDragScroll(CWnd* pWnd, DWORD dwKeyState, CPoint point)
Called when the components are dragged near the scrollbars.
virtual BOOL Register(CODViewport* pViewport)
Registers this drop target as being used for the viewport passed in.
virtual void SerializeComponents(CArchive& ar, CODComponentSet* pCompSet)
Serializes a set of components.
