Declaring the COleServerDoc Class

Objective Views User's Guide
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15.3 Declaring the COleServerDoc Class

The document class in your application must derive from COleServerDoc. It should declare at least one member variable that is derived from CODModel. It should override the OnGetEmbeddedItem() method for creating server items. It should also override OnDeactivate(). The declaration of your COleServerDoc derived class should look like Example 20.

Example 20: Declaration of a COleServerDoc derived class

class CMyAppDoc : public COleServerDoc
{
protected: // create from serialization only
  CMyAppDoc();
  VIEWS_DECLARE_DYNCREATE(CMyAppDoc)

// Attributes
public:
  CMyAppSrvrItem* GetEmbeddedItem()
    { return (CMyAppSrvrItem*)COleServerDoc::GetEmbeddedItem(); }

protected:
  CMyAppModel m_mdlCanvas;

public:
  // Gets a pointer to the model of the diagram.
  CMyAppModel* GetModel() { return &m_mdlDiagram; }
  // Determines if the diagram has been modified.
  virtual BOOL IsModified();

// Operations
public:

// Overrides
  // ClassWizard generated virtual function overrides
  //{{AFX_VIRTUAL(CMyAppDoc)
  virtual void DeleteContents();
  protected:
  virtual COleServerItem* OnGetEmbeddedItem();
  public:
  virtual BOOL OnNewDocument();
  virtual void Serialize(CArchive& ar);
  virtual void OnDeactivate();
  //}}AFX_VIRTUAL
...
}

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