August 7, 2000

Check whether RAS is installed

When you work with RAS APIs, you should have to make sure if RAS library is installed on the system. A simple way is to verify the existence of the

EnumRASEntries – Enumerate all available RAS phone-book entries

Const ERROR_SUCCESS = 0&Const ERROR_BUFFER_TOO_SMALL = 603&Const RAS_MaxEntryName = 256Private Type RASENTRYNAME dwSize As Long szEntryName(RAS_MaxEntryName) As ByteEnd TypePrivate Declare Function RasEnumEntries Lib “RasApi32.DLL” Alias _ “RasEnumEntriesA” (ByVal reserved As

Delete a User in NT

Question: How do I delete a user in NT with the API’s? Answer: The code below shows how to delete a user (if the server name is blank, it attempts

Setting the off-line mode

You can programmatically set the Internet Explorer off-line mode with the InternetSetOption API, as this code snippet demonstrates: Const INTERNET_OPTION_CONNECTED_STATE = 50Const INTERNET_STATE_CONNECTED = 1Const INTERNET_STATE_DISCONNECTED = 2Const INTERNET_STATE_DISCONNECTED_BY_USER =

Check whether the user is working off-line

Internet Explorer offers the possibility to simulate an Internet connection with the off-line mode. If you want to know if off-line mode is on or off you can use InternetQueryOption

An enhanced VB DatePart function

Here is an enhanced version of VB DatePart function: the first parameter is now an enumerated type, so easier to use. DatePartEx is 4-5 times faster than DatePart and supports