VB给程序在托盘区写入图标

作者:admin 日期:2008-04-04

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Option Explicit
Public Const MAX_TOOLTIP As Integer = 64
Public Const NIF_ICON = &H2
Public Const NIF_MESSAGE = &H1
Public Const NIF_TIP = &H4
Public Const NIM_ADD = &H0
Public Const NIM_Delete = &H2
Public Const WM_MOUSEMOVE = &H200
Public Const WM_LBUTTONDOWN = &H201
Public Const WM_LBUTTONUP = &H202
Public Const WM_LBUTTONDBLCLK = &H203
Public Const WM_RBUTTONDOWN = &H204
Public Const WM_RBUTTONUP = &H205
Public Const WM_RBUTTONDBLCLK = &H206
Public Const SW_RESTORE = 9
Public Const SW_HIDE = 0
Public nfIconData As NOTIFYICONDATA
Public Type NOTIFYICONDATA
  cbSize As Long
  hWnd As Long
  uID As Long
  uFlags As Long
  uCallbackMessage As Long
  hIcon As Long
  szTip As String * MAX_TOOLTIP
End Type
Public Declare Function ShowWindow Lib "user32" (ByVal hWnd As Long, ByVal nCmdShow As Long) As Long
Public Declare Function Shell_NotifyIcon Lib "shell32.dll" Alias "Shell_NotifyIconA" (ByVal dwMessage As Long, lpData As NOTIFYICONDATA) As Long

Private Sub Form_Load()
  With nfIconData
    .hWnd = Me.hWnd
    .uID = Me.Icon
    .uFlags = NIF_ICON or NIF_MESSAGE or NIF_TIP
    .uCallbackMessage = WM_MOUSEMOVE
    .hIcon = Me.Icon.Handle
    .szTip = App.Title + "(版本 " & App.Major & "." & App.Minor & "." & App.Revision & ")" & vbNullChar
    .cbSize = Len(nfIconData)
  End With
  Call Shell_NotifyIcon(NIM_ADD, nfIconData)
  Me.Hide
End Sub
Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
Call Shell_NotifyIcon(NIM_Delete, nfIconData)
End Sub
Private Sub Form_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
  Dim lMsg As Single
  lMsg = X / Screen.TwipsPerPixelX
  Select Case lMsg
    Case WM_LBUTTONUP
      ShowWindow Me.hWnd, SW_RESTORE
  End Select
End Sub