NOTIFYICONDATA

8/28/2008

This structure contains information that the system needs to process taskbar status area messages.

Syntax


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

Members

cbSize: Size of this structure, in bytes.

hWnd: Handle to the window that receives notification messages associated with an icon in the taskbar status area.

uID: Application-defined identifier of the taskbar icon. Values from 0 to 12 are reserved and should not be used.

uFlags

Array of flags that indicate which of the other members contain valid data. This member can be a combination of the values in the following table.

Value	Description
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: Null-terminated string that contains ToolTip text to display for the icon.

Requirements

Header	shellapi.h
Windows Embedded CE	Windows CE 1.0 and later
Windows Mobile	Windows Mobile Version 5.0 and later

Reference

Shell Structures
Shell_NotifyIcon