form1.frm

本文件包含200个visual baisc实例

VERSION 5.00
Begin VB.Form Form1 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "在任务栏上加上程序图标"
   ClientHeight    =   1125
   ClientLeft      =   5055
   ClientTop       =   1935
   ClientWidth     =   4320
   Icon            =   "Form1.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1125
   ScaleWidth      =   4320
   StartUpPosition =   1  '所有者中心
   Begin VB.CommandButton Command5 
      Caption         =   "窗口消失"
      Height          =   390
      Left            =   135
      TabIndex        =   4
      Top             =   615
      Width           =   4095
   End
   Begin VB.CommandButton command3 
      Caption         =   "隐藏图标"
      Height          =   375
      Left            =   2235
      TabIndex        =   3
      Top             =   105
      Width           =   975
   End
   Begin VB.CommandButton command2 
      Caption         =   "移出图标"
      Height          =   375
      Left            =   1170
      TabIndex        =   2
      Top             =   120
      Width           =   975
   End
   Begin VB.CommandButton command4 
      Caption         =   "退出"
      Height          =   375
      Left            =   3315
      TabIndex        =   1
      Top             =   105
      Width           =   975
   End
   Begin VB.CommandButton command1 
      Caption         =   "添加图标"
      Height          =   375
      Left            =   120
      TabIndex        =   0
      Top             =   105
      Width           =   975
   End
   Begin VB.Menu sys 
      Caption         =   "系统菜单"
      Begin VB.Menu show 
         Caption         =   "显示窗体"
      End
      Begin VB.Menu move 
         Caption         =   "移除图标"
      End
      Begin VB.Menu exit 
         Caption         =   "退出"
      End
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
 Option Explicit
 Const MAX_TOOLTIP As Integer = 64
 Const NIF_ICON = &H2                          '删除图标
 Const NIF_MESSAGE = &H1
 Const NIF_TIP = &H4
 Const NIM_ADD = &H0                          '添加图标到任务栏提示区
 Const NIM_DELETE = &H2
 Const WM_MOUSEMOVE = &H200
 Const WM_LBUTTONDOWN = &H201
 Const WM_LBUTTONUP = &H202
 Const WM_LBUTTONDBLCLK = &H203
 Const WM_RBUTTONDOWN = &H204
 Const WM_RBUTTONUP = &H205
 Const WM_RBUTTONDBLCLK = &H206
 Const SW_RESTORE = 9
 Const SW_HIDE = 0
 Private 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
Private Declare Function ShowWindow Lib "user32" (ByVal hwnd As Long, _
    ByVal nCmdShow As Long) As Long
    
Private Declare Function Shell_NotifyIcon Lib "shell32.dll" Alias "Shell_NotifyIconA" _
    (ByVal dwMessage As Long, lpData As NOTIFYICONDATA) As Long

Private nfIconData As NOTIFYICONDATA

Private Sub Form_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
  Dim lMsg As Single
  lMsg = X / Screen.TwipsPerPixelX
  If lMsg = WM_RBUTTONUP Or lMsg = WM_LBUTTONUP Then Me.PopupMenu sys
End Sub

Private Sub command1_Click()
  nfIconData.hwnd = Me.hwnd
  nfIconData.uID = Me.Icon
  nfIconData.uFlags = NIF_ICON Or NIF_MESSAGE Or NIF_TIP
  nfIconData.uCallbackMessage = WM_MOUSEMOVE
  nfIconData.hIcon = Me.Icon.Handle
  nfIconData.szTip = "System Tray Example" & vbNullChar
  nfIconData.cbSize = Len(nfIconData)
  Call Shell_NotifyIcon(NIM_ADD, nfIconData)
End Sub

Private Sub command2_Click()
  Call Shell_NotifyIcon(NIM_DELETE, nfIconData)
End Sub

Private Sub command3_Click()
  ShowWindow Me.hwnd, SW_HIDE
End Sub

Private Sub command4_Click()
  Unload Me
End Sub

Private Sub Command5_Click()
  Me.Visible = False
End Sub

Private Sub move_Click()
  Call Shell_NotifyIcon(NIM_DELETE, nfIconData)
End Sub

Private Sub show_Click()
  Me.Visible = True
End Sub

Private Sub exit_Click()
  Unload Me
End Sub