将图标加入托盘.frm

Windows API函数,希望大伙有用哦

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   885
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   3885
   ControlBox      =   0   'False
   Icon            =   "将图标加入托盘.frx":0000
   LinkTopic       =   "Form2"
   ScaleHeight     =   885
   ScaleWidth      =   3885
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "取消图标"
      Height          =   315
      Left            =   2010
      TabIndex        =   1
      Top             =   210
      Width           =   1155
   End
   Begin VB.CommandButton Command1 
      Caption         =   "加入图标"
      Height          =   315
      Left            =   780
      TabIndex        =   0
      Top             =   210
      Width           =   1155
   End
   Begin VB.Image Image1 
      Height          =   480
      Left            =   210
      Picture         =   "将图标加入托盘.frx":0ECA
      Top             =   150
      Visible         =   0   'False
      Width           =   480
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
'  API 函数声明
Private Declare Function Shell_NotifyIcon Lib "shell32" Alias "Shell_NotifyIconA" (ByVal dwMessage As Long, pnid As NOTIFYICONDATA) As Boolean
'  字符常数说明
    Private Const NIM_ADD = &H0
    Private Const NIM_DELETE = &H2
    Private Const NIF_ICON = &H2
    Private Const NIF_TIP = &H4
'  定义结构型变量
Private 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
'  说明 TrayIcon 是结构型变量
Private TrayIcon As NOTIFYICONDATA
Private Sub Form_load()
'  窗体装入，设置图标及图标显示形式
    TrayIcon.cbSize = Len(TrayIcon)
    TrayIcon.hwnd = Me.hwnd
    TrayIcon.uFlags = NIF_ICON Or NIF_TIP
    TrayIcon.hIcon = Image1.Picture
    TrayIcon.szTip = "Icon" & vbNullChar
End Sub
Private Sub Command1_Click()
'  在Windows任务栏中加入图标
   Shell_NotifyIcon NIM_ADD, TrayIcon
End Sub
Private Sub Command2_Click()
'  从Windows任务栏中去掉图标
   Shell_NotifyIcon NIM_DELETE, TrayIcon
End Sub