vb6.0实现最小化到系统托盘.doc

将程序最小化到系统托盘(就是杀毒软件,QQ,迅雷最小化后的那种效果),是编写Windows窗体程序中常用的技巧,它可以使程序的界面友好,提供简洁方便的操作方式。下面的教程中,,实现这个功能。
我们来分析一下,一个系统托盘功能具体有那些细节,它的细节如下:
,程序主界面消失,在系统栏出现一个图标。
,做出不同的反应
,要实现这个功能,需要调用API函数()。
首先要添加一些声明,在代码窗口的最上端输入以下代码,完成相应函数或常量的声明。
Option Explicit
Const MAX_TOOLTIP As Integer = 64
Const NIF_ICON = &H2
Const NIF_MESSAGE = &H1
Const NIF_TIP = &H4
Const NIM_ADD = &H0
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 "" Alias "Shell_NotifyIconA" _
(ByVal dwMessage As Long, lpData As NOTIFYICONDATA) As Long
Private nfIconData As NOTIFYICONDATA
下面的代码可以将图标添加到系统图标
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