NOTIFYICONDATA

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

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.

• 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

OS Versions: Windows CE 1.0 and later.
Header: Shellapi.h.

See Also

Standard Shell Structures

Last updated on Wednesday, April 13, 2005

© 2005 Microsoft Corporation. All rights reserved.