VB模拟发送ICMP数据包(代码直接可用)
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Option Explicit
Dim HostName As String
Const SOCKET_ERROR = 0
Dim hFile As Long, lpWSAdata As WSAdata
Dim hHostent As Hostent, AddrList As Long
Dim Address As Long, rIP As String
Dim OptInfo As IP_OPTION_INFORMATION
Dim EchoReply As IP_ECHO_REPLY
Private Type WSAdata
wVersion As Integer
wHighVersion As Integer
szDescription(0 To 255) As Byte
szSystemStatus(0 To 128) As Byte
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iMaxSockets As Integer
iMaxUdpDg As Integer
lpVendorInfo As Long
End Type
Private Type Hostent
h_name As Long
h_aliases As Long
h_addrtype As Integer
h_length As Integer
h_addr_list As Long
End Type
Private Type IP_OPTION_INFORMATION
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TTL As Byte
Tos As Byte
Flags As Byte
OptionsSize As Long
OptionsData As String * 128
End
相关文档：
http://topic.csdn.net/t/20060401/19/4656391.html
Private Declare Function GetCurrentProcess Lib "kernel32" () As Long
Private Declare Function SetPriorityClass Lib "kernel32" (ByVal hProcess As Long, ByVal dwPriorityClass As Long) As Long
Const IDLE_PRIORITY_CLASS = &H40 '新进程应该有非常低的 ......
Private Type SECURITY_ATTRIBUTES
nLength As Long
lpSecurityDescriptor As Long
bInheritHandle As Boolean
End Type
Dim lang As String
Private Declare Function RegOpenKeyEx Lib "advapi32.dll" Alias "RegOpenKeyExA" (ByVal hkey As Long, ByV ......
http://www.webuc.net/ddf3/archive/2005/08/25/6142.aspx
不用FSO的复制文件夹得方法？
用API函数 SHFileOperation
以下是使用SHFileOperation删除复制移动文件的例子，可以复制文件夹
Private Type SHFILEOPSTRUCT
hwnd As Long
wFunc As Long
pfrom As String
pTo As String
fFlags As ......
VB Treeview控件详细使用方法
1、属性
这里只给大家介绍Treeview� ......
'读数据到二进制字段
Public Sub ReadfromBLOB(filed As ADODB.Field, Filen As String)
Dim DataFile As Integer, Fl As Long, Chunks As Integer
Dim Fragment As Integer, Chunk() As Byte, i As Integer
'传送块单位大小
Const ChunkSize As Integer = 16384
Dim MediaTemp As String
Dim lngOffset As Long
Di ......
