ntray.h

托盘程序示例

////////////////////////////////// Macros ///////////////////////////

#ifndef _NTRAY_H__
#define _NTRAY_H__



/////////////////////////// Classes /////////////////////////////////

//forward declaration
class CTrayNotifyIcon;


//internal class used to handle IE4 taskbar creation notification message
class CTrayRessurectionWnd : public CFrameWnd
{
public: 
//Constructors / Destructors
  CTrayRessurectionWnd(CTrayNotifyIcon* pTrayIcon);

protected:
  CTrayNotifyIcon* m_pTrayIcon;

	//{{AFX_MSG(CTrayRessurectionWnd)
	//}}AFX_MSG
  afx_msg LRESULT OnTaskbarCreated(WPARAM wParam, LPARAM lParam);
  DECLARE_MESSAGE_MAP()

  DECLARE_DYNAMIC(CTrayRessurectionWnd)
};



//internal class used to implement animated tray icons
class CTrayTimerWnd : public CFrameWnd
{
public: 
//Constructors / Destructors
  CTrayTimerWnd(CTrayNotifyIcon* pTrayIcon, HICON* phIcons, int nNumIcons, DWORD dwDelay);
  ~CTrayTimerWnd();

//retreive the current icon
  HICON GetCurrentIcon() const { return m_phIcons[m_nCurrentIconIndex]; };

protected:
  CTrayNotifyIcon* m_pTrayIcon;
  HICON*           m_phIcons;
  int              m_nNumIcons;
  DWORD            m_dwDelay;
  UINT             m_nTimerID;
  int              m_nCurrentIconIndex;

	//{{AFX_MSG(CTrayTimerWnd)
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnDestroy();
	afx_msg void OnTimer(UINT nIDEvent);
	//}}AFX_MSG
  DECLARE_MESSAGE_MAP()

  DECLARE_DYNAMIC(CTrayTimerWnd)
};


//the actual tray notification class wrapper
class CTrayNotifyIcon : public CObject
{
public:
  //Constructors / Destructors
  CTrayNotifyIcon();
  ~CTrayNotifyIcon();

  //Create the tray icon
  BOOL Create(CWnd* pNotifyWnd, UINT uID, LPCTSTR pszTooltipText, HICON hIcon, UINT nNotifyMessage);                  
  BOOL Create(CWnd* pNotifyWnd, UINT uID, LPCTSTR pszTooltipText, HICON* phIcons, int nNumIcons, DWORD dwDelay, UINT nNotifyMessage);

  //Change or retrieve the Tooltip text
  BOOL    SetTooltipText(LPCTSTR pszTooltipText);
  BOOL    SetTooltipText(UINT nID);
  CString GetTooltipText() const;

  //Change or retrieve the icon displayed
  BOOL  SetIcon(HICON hIcon);
  BOOL  SetIcon(LPCTSTR lpIconName);
  BOOL  SetIcon(UINT nIDResource);
  BOOL  SetIcon(HICON* phIcons, int nNumIcons, DWORD dwDelay);
  BOOL  SetStandardIcon(LPCTSTR lpIconName);
  BOOL  SetStandardIcon(UINT nIDResource);
  HICON GetIcon() const;
  BOOL  UsingAnimatedIcon() const { return m_bAnimated; };

  //Change or retrieve the window to send notification messages to
  BOOL  SetNotificationWnd(CWnd* pNotifyWnd);
  CWnd* GetNotificationWnd() const;

  //Modification of the tray icons
	void  HideIcon();
	void  ShowIcon();
	void  RemoveIcon();
	void  MoveToExtremeRight();

  //Default handler for tray notification message
  virtual LRESULT OnTrayNotification(WPARAM uID, LPARAM lEvent);

  //Status information
  BOOL IsShowing() const { return !IsHidden(); };
  BOOL IsHidden() const { return m_bHidden; };

protected:
  BOOL CreateTimerWindow(HICON* phIcons, int nNumIcons, DWORD dwDelay);
  void DestroyTimerWindow();
  BOOL CreateRessurectionWindow();
  void DestroyResurrectionWindow();

  NOTIFYICONDATA        m_NotifyIconData;
  BOOL                  m_bCreated;
  BOOL                  m_bHidden;
  CWnd*                 m_pNotificationWnd;
  CTrayTimerWnd*        m_pTimerWnd;
  CTrayRessurectionWnd* m_pResurrectionWnd;
  BOOL                  m_bAnimated;

  DECLARE_DYNAMIC(CTrayNotifyIcon)

  friend class CTrayTimerWnd;
};




#endif //_NTRAY_H__