[VBnet Code Library] Network API Index

	Network API Updated Monday December 26, 2011
Category	Topic
Broadcasts vb6 vb5 vb4-32	WriteFile: Broadcasting System Messages using Mailslots Send system alerts to other 9x, ME or NT/2000/XP machines via "mailslots" Oct 10.2002 NetMessageBufferSend: Broadcasting System Messages Send alerts to other NT servers or workstations, or to Win9x systems running WinPopup Jan 25.2000

Browsing vb6 vb5 vb4-32	SHBrowseForFolder: Browse to Obtain Network Machines or Shares How to return a share or remote computer using the familiar Browse dialog. Nov 30.1999

Computer Users and Groups vb6 vb5 vb4-32	InitializeSecurityContext: Authenticate User via the NT Challenge Process How to perform an NT Challenge from VB. Mar 16.2002 NetUserGetInfo: Enumerate the User List and Obtain User Info Code to load a list box with the users for a given PDC/BDC (or local NT machine), along with their USER_INFO_10 data. Oct 30.2000 LookupAccountSid: Determine if the Current Process is Running Under Admin Account Code to determine if the current user is an Admin. Apr 16.2002 NetUserSetInfo: Disable User Accounts (USER_INFO_1008) Small routine using USER_INFO_1008 to disable a specified user's account. Dec 19.2004 NetUserSetInfo: Enable/Disable User Accounts (USER_INFO_3) Slightly more involved, this uses a USER_INFO_3 structure to retrieve user info to allow enabling or disabling of the user account. Dec 19.2004 NetUserGetInfo: Network User Full Name and Comments Retrieving the USER_INFO_10 data about a network user, including the user's full name. May 05.2000 OpenUserBrowser: Add Selection of Users and Groups Showing and retrieving user and / or group selection via the undocumented OpenUserBrowser API. Apr 15.2002 NetMessageBufferSend: Broadcasting System Messages Send alerts to other NT servers or workstations, or to Win9x systems running WinPopup Jan 25.2000 NetLocalGroupEnum: Enumerate Local Groups Retrieve the local groups on your NT/2000 workstation or server Apr 19.2001 NetLocalGroupEnum: Enumerate Local Groups and Descriptions Retrieve the local groups and their descriptions on your NT/2000 workstation or server. Apr 19.2001 NetLocalGroupGetMembers: Enumerate Local Groups and Members Pass a machine and group name, retrieve the members of that group. Feb 26.2002 LookupAccountName: Verify a User's Account How to verify that a specific user is authenticated by the domain controller of local system. Jan 21.2002

Connection vb6 vb5 vb4-32	IsNetDrive: Determining the Connection State of a Mapped Drive API returning the connection state of mapped drives. Dec 9.2005 InternetGetConnectedState: Determine Network Connection Type Six wrapper routines returning system network connection information. June 10.1999 IsNetworkAlive: Determine Network Connection State Five wrapper routines to determine whether a given network connection is currently alive. April 20.2001 IsDestinationReachable: Determine Network QOC Info Determine if the destination can be reached, and retrieve Quality of Connection information for the destination. March 13.2001 NetGetJoinInformation: Join Information for a Local or Remote Machine How to determine information concerning the workgroup or domain join status of a given machine. Jul 06.2002 NetFileEnum: Get Open File Info from a Specified Machine Use NetFileEnum to return a listing of open files and owners on remote machines. Apr 5.2003 WNetGetUser: User, Share and Share User for Network Resources How to determine information concerning the workgroup or domain join status of a given machine. Jan 15.2002 WNetGetConnection: Get UNC Path for Mapped Drive Code to resolve a local or remote UNC path from a mapped drive letter. Jul 6.2002 WNetConnectionDialog: Invoking the Map/Disconnect Drive Dialog Code to resolve a local or remote UNC path from a mapped drive letter. Jan 4.2006

Date/Time vb6 vb5 vb4-32	RegQueryValueEx: Identify Time Zones by Time Zone Bias How to retrieve time zone names from the registry, and locate a zone based on the time zone bias. Jul 08.2002 NetRemoteTOD: Get Time of Day Info for Local or Remote Machines Examining return values from the NetRemoteTOD API. Oct 22.2001 SetSystemTime: SNTP Time Server Synchronization using Winsock Using the Winsock control to connect to Internet Time Servers for system date/time synchronization. Feb 3.2002 SetSystemTime: Date and Time Synchronization to a Remote Server Use NetRemoteTOD to synchronize a local machine to a domain server. Oct 22.2001

Domains vb6 vb5 vb4-32	NetServerEnum: Obtain Domain/Workgroup Servers and Machines Calling NetServerEnum to retrieve the domain machine list. May 22.2001 NetServerEnum: Get Version Info for Domain/Workgroup Servers and Machines Calling NetServerEnum with the SERVER_INFO_101 structure to retrieve domain machine and their OS version. May 22.2001 GetNetworkParams: Obtain Domain Registering the Local Machine Function that returns the domain in which the local computer is registered. May 22.2001 GetNetworkParams: Host Name of the Local Machine Function that returns the host name of the local computer. May 22.2001 NetGetJoinInformation: Join Information for a Local or Remote Machine How to determine information concerning the workgroup or domain join status of a given machine. Jul 06.2002

DHCP vb6 vb5 vb4-32	GetAdaptersInfo: Determine if DHCP is Enabled Function to return True if DHCP is enabled on the system. Apr 25.2001 GetAdaptersInfo: Get the DHCP Server IP Function returning the IP Address of the connected DHCP server. Apr 25.2001 GetAdaptersInfo: Get the IPs for all DHCP Servers For multiple NICs or multiple DHCP servers, a function to return all IP addresses for all connected DHCP servers. Apr 25.2001 IPRenewAddress: Release and Renew a DHCP IP Address How to reset DHCP IP addresses using IPReleaseAddress and IPRenewAddress May 27.2001 URLDownloadToFile: Obtain Machine's Public IP Behind Router Download and parse a shtml file returning the public IP address of the machine. Jan 5.2005

DNS Servers vb6 vb5 vb4-32	GetNetworkParams: Determine Current and Available DNS Servers Use GetNetworkParams to return the current and available DNS servers. Mar 5.2002

Files vb6 vb5 vb4-32	GetSecurityDescriptorOwner: Local or Remote File or Folder Owner GetFileSecurity, LookupAccountSid and GetSecurityDescriptorOwner return the owner of a file or a folder on a local or remote machine. Jan 17.2006 NetFileEnum: Get Open File Info from a Specified Machine Use NetFileEnum to return a listing of open files and owners on remote machines. Apr 5.2003

FTP API vb6 vb5 vb4-32	FtpFindFirstFile: Connect and Retrieve FTP File Listings Using the FTP APIs to connect to a site and retrieve its file listing. Dec 17.1999 DoFileDownload: Download Files Using IE's Download Dialog Use the Internet Explorer 'File Download' dialog in your application. Jan 8.2000 FtpGetFile: Download Files via FTP Adding to the FTP demo adding file download ability. Dec 17.1999 FtpFindFirstFile: Download Files via FTP with a Download Progress Callback How to use callbacks to present a progress bar and file size transferred from a FTP download session. Oct 27.2001

IP Address vb6 vb5 vb4-32	gethostbyname: Determine Network Host Name and IP Address Use these simple routines to obtain the user's machine name and their IP address Aug 27.1998 gethostbyname: Resolve Host Name to IP Address Pass a domain name and return the IP address Mar 23.2000 gethostbyaddr: Obtain Host Name from IP Address Pass an IP address to this routine, and retrieve the host name. May 03.2000 GetAdaptersInfo: Get the DHCP Server IP Function returning the IP Address of the connected DHCP server. Apr 25.2001 GetAdaptersInfo: Get the IPs for all DHCP Servers For multiple NICs or multiple DHCP servers, a function to return all IP addresses for all connected DHCP servers. Apr 25.2001 GetAdaptersInfo: Get the Network Adapter IP Address Function returning the IP Address of the local adapter. NetBIOS is not required. Apr25.2001 GetAdaptersInfo: Get IP Addresses for All Installed Network Adapters For multiple NICs, a function to return all local IP addresses for all active adapters. NetBIOS is not required. Apr 25.2001 URLDownloadToFile: Obtain Machine's Public IP Behind Router Download and parse a shtml file returning the public IP address of the machine. Jan 5.2005

IP Statistics vb6 vb5 vb4-32	GetTcpStatistics: Obtaining a System's TCP Statistics Method to retrieve TCP statistics for the local machine, including connections, opens, data received and sent. Feb.11.2001 GetIfTable: Local Machine Network Interface Table Method to retrieve the MIB-II (Management Information Base) interface table information for the system. Feb.11.2001 GetIpAddrTable: IP Address Table of the Local Machine Method to retrieve the interface–to–IP address mapping table, including subnet mask. Feb.11.2001 GetTcpTable: Local Machine TCP Connection Table Method to retrieve the TCP connection table, including local and remote IP addresses and ports in use. Feb.11.2001

MAC Address / Network Card vb6 vb5 vb4-32	Netbios: Determine Local Adapter MAC Address Obtain the Medium Access Control (MAC) address for the installed network card. Aug 27.1998 SendARP: Determine Local or Remote Adapter MAC Addresses How to obtain the MAC address from a local or remote computer's network card. Aug 20.2002 Netbios: Determine Local Adapter MAC Addresses through LANA Enumeration Get all MAC address for all installed (enabled w/NetBIOS) network cards. Apr 18.2004

Notifications vb6 vb5 vb4-32	WriteFile: Broadcasting System Messages using Mailslots Send system alerts to other 9x, ME or NT/2000/XP machines from any machine via "mailslots" Oct 10.2002 NetMessageBufferSend: Broadcasting System Messages Send alerts to other NT servers or workstations, or to Win9x systems running WinPopup Jan 25.2000

Passwords vb6 vb5	NetUserGetInfo: Get User Password Age Pass a user name and get the age of that user's password. Dec 19.2004 NetServerEnum: Get Password Age All Users on the Specified Machine Enumerate machines on the network and retrieve all users and password ages for each Dec 19.2004

Printers vb6 vb5 vb4-32	ConnectToPrinterDlg: Install Network Printers Browse and connect to printers on a network. Jan 4.2006 SetPrinter: Rename Local and Remote Printers Using PRINTER_LEVEL4 (or PRINTER_LEVEL2) to rename either local or remote printers. Aug 6.2005 SetPrinter: Rename Local and Remote Printers /2 An alternate method to the above, this uses a different declaration of the PRINTER_LEVEL4 structure to rename either local or remote printers. Although not shown the change should echo to a PRINTER_INFO_2 structure without too much difficulty. Jan 13.2006

Ping / TraceRT vb6 vb5 vb4-32	IcmpSendEcho: Ping a Machine by IP Address Ping any IP address from your VB app with this! Aug 27.1998 IcmpSendEcho: Ping a Machine by Host Name Similar to the IP ping, this takes a domain name, resolves it, then pings. Mar 23.2000 IcmpSendEcho: Perform a Tracert (Trace Route) in VB Code to perform a tracert (trace route) in VB. Oct 30.2000 IcmpSendEcho: Perform a Tracert (Trace Route) in VB with Host Name Resolution Based on the same code as above, adds a function to resolve the host name for the IP traced. Oct 30.2000

Server Date/Time vb6 vb5 vb4-32	RegQueryValueEx: Identify Time Zones by Time Zone Bias How to retrieve time zone names from the registry, and locate a zone based on the time zone bias. Jul 8.2002 NetRemoteTOD: Get Time of Day Info for Local or Remote Machines Examining return values from the NetRemoteTOD API. Oct 22.2001 SetSystemTime: SNTP Time Server Synchronization using Winsock Using the Winsock control to connect to Internet Time Servers for system date/time synchronization. Feb 3.2002 SetSystemTime: Date and Time Synchronization to a Remote Server Use NetRemoteTOD to synchronize a local machine to a domain server. Oct 22.2001

Servers / Workstations vb6 vb5 vb4-32	EnumServicesStatus: Enumerate Local or Remote Machine Services and Status Adding NetServerEnum code, this allows viewing of services running on any NT system in the domain. May 22.2001 GetNetworkParams: Obtain Domain Registering the Local Machine Function that returns the domain in which the local computer is registered. May 22.2001 GetNetworkParams: Host Name of the Local Machine Function that returns the host name of the local computer. May 22.2001 InitiateSystemShutdown: Terminating Remote Windows Sessions How to call shut down remote computers (and cancel the shutdown if needed). Dec 8.2004 NetFileEnum: Get Open File Info from a Specified Machine Use NetFileEnum to return a listing of open files and owners on remote machines. Apr 5.2003 NetRemoteTOD: Get Time of Day Info for Local or Remote Machines Examining return values from the NetRemoteTOD API. Oct 22.200 NetSessionEnum: Enumerate Sessions on a Server Use NetSessionEnum to provide information about sessions established on a server. Jun 18.2001 NetServerEnum: Obtain Domain/Workgroup Servers and Machines Calling NetServerEnum to retrieve the domain machine list. May 22.2001 NetServerEnum: Get Version Info for Domain/Workgroup Servers and Machines Calling NetServerEnum with the SERVER_INFO_101 structure to retrieve domain machine and their OS version. May 22.2001 NetServerGetInfo: Configuration Info for Domain/Workgroup Servers and Machines NetServerEnum and NetServerGetInfo combined to provide version and other info for local and remote machines running the specified type of OS software. March 10.2006 NetGetJoinInformation: Join Information for a Local or Remote Machine How to determine information concerning the workgroup or domain join status of a given machine. Jul 6.2002 NetWkstaGetInfo: Workstation Configuration Information Pass a server or workstation, and retrieve configuration info for the machine. Jun 26.2001 NetWkstaUserEnum: Workstation Logon Information Pass a server or workstation, and retrieve user logon info. Jun 26.2001 NetWkstaGetInfo: Workstation Configuration and Current User Pass a server or workstation, and retrieve info about the machine and the logged-on user name. Jun 26.2001 NetWkstaGetInfo: Workstation Configuration and Logon Information Pass a server or workstation, and retrieve machine and logon information. Jun 26.2001 SetSystemTime: Date and Time Synchronization to a Remote Server Use NetRemoteTOD to synchronize a local machine to a domain server. Oct 22.2001 WNetEnumResource: Enumerating Local Network Resources Obtain mapped drives on the local machine, and resolve local drive letters into the corresponding UNC path. Jun 26.2001

Security vb6 vb5 vb4-32	InitializeSecurityContext: Authenticate User via the NT Challenge Process How to perform an NT Challenge from VB. Mar 16.2002 LookupAccountSid: Determine if the Current Process is Running Under Admin Account Code to determine if the owner of the current process is running under the Admin account. Apr 16.2002 IsUserAnAdmin: Determine if the Current User is an Administrator Code to determine if the current user is an Administrator. Apr 25.2005 LookupAccountName: Verify a User's Account How to verify that a specific user is authenticated by the domain controller of local system. Jan 21.2002 NetUserSetInfo: Disable User Accounts (USER_INFO_1008) Small routine using USER_INFO_1008 to disable the specified user account. Dec 19.2004 NetUserSetInfo: Enable/Disable User Accounts (USER_INFO_3) Slightly more involved, this uses a USER_INFO_3 structure to retrieve user info to allow enabling or disabling of a user account. Dec 19.2004

Services vb6 vb5 vb4-32	EnumServicesStatus: Enumerate Local Machine Services Basic code to call EnumServicesStatus to obtain the service list for the local machine. May 22.2001 EnumServicesStatus: Enumerate Local Machine Services and Status Expanding on the above to add additional info returned from the EnumServicesStatus call. May 22.2001 EnumServicesStatus: Enumerate Local or Remote Machine Services and Status Adding the NetServerEnum code, this allows viewing of services running on any NT system in the domain. May 22.2001

Shares vb6 vb5 vb4-32	NetShareCheck: Determine Remote Folder or Device Share Status Simple API call to test if a specific device is being shared on a local or remote machine. Aug 4.2004 WNetEnumResource: Enumerating Local Network Resources Obtain mapped drives on the local machine, and resolve local drive letters into the corresponding UNC path. Jun 26.2001 NetConnectionEnum: Enumerating Share Connection Information Using the NetConnectionEnum API to list connections made to a shared resource on the server or connections established from a particular computer. Jun 18.2001 NetShareEnum: Enumerating Shared Resources on Other Machines Find remote machine shares, connection type, comments and resolved path using NetShareEnum. Jun 18.2001 WNetAddConnection2: Transparently Connect to Network Shares Several routines to connect and disconnect drives and printers. Sep 1.1998 NetShareAdd: Create a Local or Remote Share Several routines to connect and disconnect drives and printers. Jan 21.2002 WNetGetConnection: Get UNC Path for Mapped Drive Code to resolve a local or remote UNC path from a mapped drive letter. Jul 6.2002

Transport Protocols vb6 vb5 vb4-32	WSAEnumProtocols: Enumerating Installed Windows Socket Protocols Simple API call to discover transport protocols installed on the local computer. Jan 2.2009 WSAEnumProtocols: Additional Data from Enumerated Windows Socket Protocols More information about the collection of transport protocols and protocol chains installed on the local computer. Jan 2.2009

User Accounts vb6 vb5 vb4-32	InitializeSecurityContext: Authenticate User via the NT Challenge Process How to perform an NT Challenge from VB. Mar 16.2002 LookupAccountSid: Determine if the Current Process is Running Under Admin Account Code to determine if the current user is an Admin. Apr 16.2002 NetUserSetInfo: Disable User Accounts (USER_INFO_1008) Small routine using USER_INFO_1008 to disable the specified user account. Dec 19.2004 NetUserSetInfo: Enable/Disable User Accounts (USER_INFO_3) Slightly more involved, this uses a USER_INFO_3 structure to retrieve user info to allow enabling or disabling of a user account. Dec 19.2004 NetUserGetInfo: Get User Password Age Pass a user name and get the age of that user's password. Dec 19.2004 NetServerEnum: Get Password Age All Users on the Specified Machine Enumerate machines on the network and retrieve all users and password ages for each Dec 19.2004 OpenUserBrowser: Add Selection of Users and Groups Showing and retrieving user and / or group selection via the undocumented OpenUserBrowser API. Apr 15.2002 LookupAccountName: Verify a User's Account How to verify that a specific user is authenticated by the domain controller of local system. Jan 21.2002

Windows Management Instrumentation (WMI) vb6 vb5	Win32_NetworkAdapter: WMI Network Adapter Info The Win32_NetworkAdapter WMI class enumerates and returns network adapters on a Windows system. Mar 4.2002 Win32_NetworkAdapterConfiguration: WMI Network Adapter Configuration Win32_NetworkAdapterConfiguration returns attributes and behaviours of a network adapter. This class has been extended to include extra properties and methods that support the management of the TCP/IP and Internetworking Packet Exchange (IPX) protocols. Mar 4.2002 Win32_Processor: WMI Processor Information The Win32_Processor WMI class returns processor status and information for both single and multiprocessor machines. Mar 4.2002