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Posted 14 Dec 2003

Tray Icon Class with Icon Animation Abilities

, 14 Dec 2003
A class which makes tray icons management and animation really easy
#pragma once

#include <afxtempl.h>

//  CakTrayIcon
class CakTrayIcon

    static const UINT WM_TRAYICONNOTIFY;

    CakTrayIcon(CWnd *pWnd, UINT Id, HICON Icon, LPCTSTR Tip);

    void Create(CWnd *pWnd, UINT Id);

    void SetIcon(HICON Icon);
    void SetTip(LPCTSTR Tip);
    void SetIconAndTip(HICON Icon, LPCTSTR Tip);

    void GetIconAndTip(HICON *pIcon, CString *pTip);
    UINT GetId();

    void PopupBalloon(LPCTSTR Info, LPCTSTR InfoTitle, DWORD Flags, UINT Timeout = 10000);

    HWND m_Master;
    UINT m_Id;
    HICON m_Icon;
    CString m_Tip;

    void InitializeTrayIconStruct(NOTIFYICONDATA *pStruct, UINT Flags = 0, 


//  CakIconLoader
class CakIconLoader

    CakIconLoader(UINT ResourceId, HMODULE hModule = 0);
    CakIconLoader(LPCTSTR ResourceId, HMODULE hModule = 0);

    UINT GetIconsCount();
    HICON GetIcon(UINT Index);

    CArray<CArray<BYTE> > m_Frames;
    HMODULE m_hModule;

    void Initialize(HRSRC hResource);
    void LoadFrame(UINT Id, CArray<BYTE> *pFrame);

    HICON m_CurrentIcon;
    void DeleteCurrentIcon();

#pragma pack(push)
#pragma pack(2)
        BYTE bWidth;                                    // Width, in pixels, of the image
        BYTE bHeight;                                   // Height, in pixels, of the image
        BYTE bColorCount;                               // Number of colors in image (0 if >=8bpp)
        BYTE bReserved;                                 // Reserved ( must be 0)
        WORD wPlanes;                                   // Color Planes
        WORD wBitCount;                                 // Bits per pixel
        DWORD dwBytesInRes;                             // How many bytes in this resource?
        WORD nID;                                       // Where in the file is this image?

    struct ICONDIR
        WORD idReserved;                                // Reserved (must be 0)
        WORD idType;                                    // Resource Type (1 for icons)
        WORD idCount;                                   // How many images?
        ICONDIRENTRY idEntries[1];                      // An entry for each image (idCount of 'em)
#pragma pack(pop)

    struct ICONIMAGE
        UINT Width, Height, Colors;                     // Width, Height and bpp
        LPBYTE lpBits;                                  // ptr to DIB bits
        DWORD dwNumBytes;                               // how many bytes?
        LPBITMAPINFO lpbi;                              // ptr to header
        LPBYTE lpXOR;                                   // ptr to XOR image bits
        LPBYTE lpAND;                                   // ptr to AND image bits

    LPSTR FindDIBBits(LPSTR lpbi);
    WORD DIBNumColors(LPSTR lpbi);
    WORD PaletteSize(LPSTR lpbi);
    bool AdjustIconImagePointers(ICONIMAGE *lpImage);


//  CakTrayIconAnimator
class CakTrayIconAnimator

    CakTrayIconAnimator(CakTrayIcon *pMaster, UINT ResourceId, LPCTSTR Tip = 0);
    CakTrayIconAnimator(CakTrayIcon *pMaster, LPCTSTR ResourceId, LPCTSTR Tip = 0);

    void Animate(UINT FrameDelay = 300);

    CakTrayIcon *m_pMaster;
    HICON m_OldIcon;
    CString m_OldTip;

    CString m_Tip;

    CakIconLoader m_Loader;

    void Initialize(LPCTSTR Tip);

    static UINT AnimateProc(LPVOID lpVoid);

    struct AnimateParams
        CakTrayIcon *pMaster;
        CakIconLoader *pLoader;
        UINT FrameDelay;
        CString StopEventName;

    AnimateParams m_AnimateParams;

    HANDLE m_hAnimateThread;
    CString m_StopEventName;
    UINT m_FrameDelay;


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About the Author

Alex Kolesnichenko
Software Developer (Senior)
United States United States
Started professional career in software development back in 2000, in Ukraine. Founder and owner of a boutique software company called Software. Worked for 6 years at w2bi, Inc in New Jersey USA, currently work in a large multinational company based in Redmond, WA.

My buzzwords at the moment: .NET, C#, ASP.NET, MVC, LINQ, TypeScript, JavaScript, AngularJS, HTML, JSON, services.

Still buzzing: C++, Win32, ATL, MFC, SQL, WinForms, WebForms, EF, Sockets, TCP/IP, Remoting.

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