Visual Basic Language Reference  

Visual Basic Run-Time Library Members

The Visual Basic .NET run-time library members include functions, methods, and properties you can use in your code. The library is divided into modules representing categories of functionality.

Microsoft.VisualBasic.Collection

Add Count GetEnumerator Item
Remove      

Microsoft.VisualBasic.Conversion

ErrorToString Fix Hex Int
Oct Str Val  

Microsoft.VisualBasic.DateAndTime

DateAdd DateDiff DatePart DateSerial
DateString DateValue Day Hour
Minute Month MonthName Now
Second TimeOfDay Timer TimeSerial
TimeString TimeValue Today WeekDay
WeekDayName Year    

Microsoft.VisualBasic.ErrObject

Clear Description Erl GetException
HelpContext HelpFile LastDLLError Number
Raise Source    

Microsoft.VisualBasic.FileSystem

ChDir ChDrive CurDir Dir
EOF FileAttr FileClose FileCopy
FileDateTime FileGet FileLen FileOpen
FilePut FileWidth FreeFile GetAttr
Input InputString Kill LineInput
Loc Lock LOF MkDir
Print PrintLine Rename Reset
RmDir Seek SetAttr SPC
TAB Unlock Write WriteLine

Microsoft.VisualBasic.Financial

DDB FV IPmt IRR
MIRR NPer NPV Pmt
PPmt PV Rate SLN
SYD      

Microsoft.VisualBasic.Globals

ScriptEngine ScriptEngineBuildVersion ScriptEngineMajorVersion ScriptEngineMinorVersion

Microsoft.VisualBasic.Information

Err IsArray IsDate IsDBNull
IsError IsNothing IsNumeric IsReference
LBound QBColor RGB SystemTypeName
TypeName UBound VarType VbTypeName

Microsoft.VisualBasic.Interaction

AppActivate Beep CallByName Choose
Command CreateObject DeleteSetting Environ
GetAllSettings GetObject GetSetting IIf
InputBox MsgBox Partition SaveSetting
Shell Switch    

Microsoft.VisualBasic.Strings

Asc AscW Chr ChrW
Filter Format FormatCurrency FormatDateTime
FormatNumber FormatPercent GetChar InStr
InStrRev Join LCase Left
Len LSet LTrim Mid
Replace Right RSet RTrim
Space Split StrComp StrConv
StrDup StrReverse Trim UCase

Microsoft.VisualBasic.VbMath

Randomize Rnd    

See Also

Visual Basic Language Keywords | Keywords and Members By Task