易截截图软件、单文件、免安装、纯绿色、仅160KB

VB与FTP编程

Option Explicit
Private Const INTERNET_OPEN_TYPE_DIRECT = 1
Private Const scuseragent = "vb wininet"
Private Const INTERNET_FLAG_PASSIVE = &H8000000
'调用设置环境
Private Declare Function InternetOpen Lib "wininet.dll" Alias "InternetOpenA" (ByVal sAgent As String, ByVal lAccessType As Long, ByVal sProxyName As String, ByVal sProxyBypass As String, ByVal lFlags As Long) As Long
'连接服务器
Private Declare Function InternetConnect Lib "wininet.dll" Alias "InternetConnectA" (ByVal hInternetSession As Long, ByVal sServerName As String, ByVal nServerPort As Integer, ByVal sUsername As String, ByVal sPassword As String, ByVal lService As Long, ByVal lFlags As Long, ByVal lContext As Long) As Long
'上传涵数
Private Declare Function FtpPutFile Lib "wininet.dll" Alias "FtpPutFileA" (ByVal hFtpSession As Long, ByVal lpszLocalFile As String, ByVal lpszRemoteFile As String, ByVal dwFlags As Long, ByVal dwContext As Long) As Boolean
Private Declare Function FtpGetFile Lib "wininet.dll" Alias "FtpGetFileA" (ByVal hFtpSession As Long, ByVal lpszRemoteFile As String, ByVal lpszNewFile As String, ByVal fFailIfExists As Boolean, ByVal dwFlagsAndAttributes As Long, ByVal dwFlags As Long, ByVal dwContext As Long) As Boolean
Private Declare Function InternetCloseHandle Lib "wininet.dll" (ByVal hInet As Long) As Integer
Dim hOpen As Long
Dim hConnection As Long
'上传文件模块
Public Function UpLoadFile(IP As String, FileName As String, UserName As String, PassWord As String) As Boolean
Dim ShortName As String
Dim ret As Boolean
ShortName = GetShortName(FileName)
hOpen = TestServer
If hOpen <> 0 Then
hConnection = InterConnection(IP, UserName, PassWord)
If hConnection <> 0 Then
ret = FtpPutFile(hConnection, FileName, ShortName, 2, 0)
UpLoadFile = ret
Else
UpLoadFile = False
End If
Else
UpLoadFile = False
End If
InternetCloseHandle hConn


相关文档:

转:WinForm使用WebService自动升级 (VB + .Net)

转自:http://hi.baidu.com/sunward08/blog/item/cb64ac224657014dac34de2d.html 
 
WinForm使用WebService自动升级
2009-08-08 10:49
winform程序相对web程序而言,功能更强大,编程更方便,但软件更新却相当麻烦,要到客户端一台一台地升级,面对这个实际问题,在最近的一个小项目中,本人设计了一个通过软 ......

(VB)FTP异步下载

 该方法不需要使用API及第三方控件
这里使用的是VB的UserControl控件的AsyncRead方法
步骤如下:
1、添加一个用户控件,设置InvisibleAtRuntime属性为true,目的是运行时该控件不显示用户界面,就象Timer控件一样。
2、到自定义控件的代码窗口,添加如下代码
Option Explicit
'下载结果枚举
Public Enum Downloa ......

为什么我的VB显示找不到可插入的ISAM?

VB6里面的安装内容中有JET (IISAM)部件,安装时加以选择,你可以修复安装你的VB6。具体做法如下:
1、重新启动VB安装程序,选取工作站工具和组件=》添加、删除程序=》数据访问=》更改选项=》选中Jet IIsam

2、重装VB,安装时选自定义,全部选中。 ......

求助VB通讯数据识别

VB学的用的都不精,编个程序用了很长时间了,现在这个通讯部分还没做好,求助大家一下:
  ctrMSComm.Output = "@01R"    '读命令
   instar = ctrMSComm.Input         '读通讯
wy_I = val(HEX_to_DEC(Mid(instar, 29, 4))) * (20 / 4095#)
&n ......
© 2009 ej38.com All Rights Reserved. 关于E健网联系我们 | 站点地图 | 赣ICP备09004571号