´Declare a user-defined variable to pass to the Shell_NotifyIcon
´function.
Public Type NOTIFYICONDATA
cbSize As Long
hWnd As Long
uId As Long
uFlags As Long
uCallBackMessage As Long
hIcon As Long
szTip As String * 64
End Type

´Declare the constants for the API function. These constants can be
´found in the header file Shellapi.h.

´The following constants are the messages sent to the
´Shell_NotifyIcon function to add, modify, or delete an icon from the
´taskbar status area.
Public Const NIM_ADD = &H0
Public Const NIM_MODIFY = &H1
Public Const NIM_DELETE = &H2

´The following constant is the message sent when a mouse event occurs
´within the rectangular boundaries of the icon in the taskbar status
´area.
Public Const WM_MOUSEMOVE = &H200

´The following constants are the flags that indicate the valid
´members of the NOTIFYICONDATA data type.
Public Const NIF_MESSAGE = &H1
Public Const NIF_ICON = &H2
Public Const NIF_TIP = &H4

´The following constants are used to determine the mouse input on the
´the icon in the taskbar status area.

´Left-click constants.
Public Const WM_LBUTTONDBLCLK = &H203 ´Double-click
Public Const WM_LBUTTONDOWN = &H201 ´Button down
Public Const WM_LBUTTONUP = &H202 ´Button up

´Right-click constants.
Public Const WM_RBUTTONDBLCLK = &H206 ´Double-click
Public Const WM_RBUTTONDOWN = &H204 ÿLM/W3SVC/116/Root