Declaring the COleServerItem Class

Objective Views User's Guide
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15.4 Declaring the COleServerItem Class

Your application should contain a server item class derived from COleServerItem. It is important to override OnGetExtent(), OnDraw(), and Serialize(). The declaration of your COleServerItem derived class should look like Example 21.

Example 21: Declaration of a COleServerItem derived class

class CMyAppSrvrItem : public COleServerItem
{
  VIEWS_DECLARE_DYNAMIC(CMyAppSrvrItem)

// Constructors
  public:
  CMyAppSrvrItem(CMyAppDoc* pContainerDoc);

// Attributes
  CMyAppDoc* GetDocument() const
    { return (CMyAppDoc*)COleServerItem::GetDocument(); }

  CMyAppViewport* GetViewport();

// Overrides
  // ClassWizard generated virtual function overrides
  //{{AFX_VIRTUAL(CMyAppSrvrItem)
  public:
  virtual BOOL OnDraw(CDC* pDC, CSize& rSize);
  virtual BOOL OnGetExtent(DVASPECT dwDrawAspect, CSize& rSize);
  //}}AFX_VIRTUAL

// Implementation
public:
  ~CMyAppSrvrItem();
#ifdef _DEBUG
  virtual void AssertValid() const;
  virtual void Dump(CDumpContext& dc) const;
#endif

protected:
  virtual void Serialize(CArchive& ar);   // overridden for document i/o
}

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