NOTIFYICONDATANOTIFYICONDATA*
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NOTIFYICONDATA


typedef struct _NOTIFYICONDATA { 
    DWORD cbSize; 
    HWND hWnd; 
    UINT uID; 
    UINT uFlags; 
    UINT uCallbackMessage; 
    HICON hIcon; 
    char szTip[64]; 
} NOTIFYICONDATA, *PNOTIFYICONDATA;

Contains information that the system needs to process taskbar status area messages.

cbSize
Size of this structure, in bytes.
hWnd
Handle to the window that will receive notification messages associated with an icon in the taskbar status area.
uID
Application-defined identifier of the taskbar icon.
uFlags
Array of flags that indicate which of the other members contain valid data. This member can be a combination of the following:
NIF_ICON The hIcon member is valid.
NIF_MESSAGE The uCallbackMessage member is valid.
NIF_TIP The szTip member is valid.
uCallbackMessage
Application-defined message identifier. The system uses this identifier for notification messages that it sends to the window identified in hWnd. These notifications are sent when a mouse event occurs in the bounding rectangle of the icon.
hIcon
Handle to the icon to add, modify, or delete.
szTip
Tooltip text to display for the icon.

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