NOTIFYICONDATA info

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

typedef struct _NOTIFYICONDATA { // nid 

    DWORD cbSize; 

    HWND hWnd; 

    UINT uID; 

    UINT uFlags; 

    UINT uCallbackMessage; 

    HICON hIcon; 

    char szTip[64]; 

} NOTIFYICONDATA, *PNOTIFYICONDATA; 

 

Members

cbSize

Size of the NOTIFYICONDATA structure.

hWnd

Handle of the window that receives 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 these values:

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 the specified identifier for notification messages that it sends to the window identified by hWnd whenever a mouse event occurs in the bounding rectangle of the icon.

hIcon

Handle of the icon to add, modify, or delete.

szTip

Tooltip text to display for the icon.