| title | Visual Basic Runtime Library Members | ||||
|---|---|---|---|---|---|
| ms.date | 07/20/2015 | ||||
| ms.prod | .net | ||||
| ms.technology |
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| ms.topic | article | ||||
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| ms.assetid | f5e82c6e-3500-452b-bdb8-78f0d5477604 | ||||
| caps.latest.revision | 16 | ||||
| author | dotnet-bot | ||||
| ms.author | dotnetcontent |
The Microsoft.VisualBasic namespace contains the classes, modules, constants, and enumerations that constitute the [!INCLUDEvbprvb] runtime library. These library members provide procedures, properties, and constant values you can use in your code. Each module and class represents a particular category of functionality.
| xref:Microsoft.VisualBasic.Collection.Add%2A | xref:Microsoft.VisualBasic.Collection.Clear%2A | xref:Microsoft.VisualBasic.Collection.Contains%2A | xref:Microsoft.VisualBasic.Collection.Count%2A |
| xref:Microsoft.VisualBasic.Collection.GetEnumerator%2A | xref:Microsoft.VisualBasic.Collection.Item%2A | xref:Microsoft.VisualBasic.Collection.Remove%2A |
| xref:Microsoft.VisualBasic.ComClassAttribute.ClassID%2A | xref:Microsoft.VisualBasic.ComClassAttribute.EventID%2A | xref:Microsoft.VisualBasic.ComClassAttribute.InterfaceID%2A | xref:Microsoft.VisualBasic.ComClassAttribute.InterfaceShadows%2A |
| xref:Microsoft.VisualBasic.ControlChars.Back | xref:Microsoft.VisualBasic.ControlChars.Cr | xref:Microsoft.VisualBasic.ControlChars.CrLf | xref:Microsoft.VisualBasic.ControlChars.FormFeed |
| xref:Microsoft.VisualBasic.ControlChars.Lf | xref:Microsoft.VisualBasic.ControlChars.NewLine | xref:Microsoft.VisualBasic.ControlChars.NullChar | xref:Microsoft.VisualBasic.ControlChars.Quote |
| xref:Microsoft.VisualBasic.ControlChars.Tab | xref:Microsoft.VisualBasic.ControlChars.VerticalTab |
| xref:Microsoft.VisualBasic.Constants.vbAbort | xref:Microsoft.VisualBasic.Constants.vbAbortRetryIgnore | xref:Microsoft.VisualBasic.Constants.vbApplicationModal | xref:Microsoft.VisualBasic.Constants.vbArchive |
| xref:Microsoft.VisualBasic.Constants.vbArray | xref:Microsoft.VisualBasic.Constants.vbBack | xref:Microsoft.VisualBasic.Constants.vbBinaryCompare | xref:Microsoft.VisualBasic.Constants.vbBoolean |
| xref:Microsoft.VisualBasic.Constants.vbByte | xref:Microsoft.VisualBasic.Constants.vbCancel | xref:Microsoft.VisualBasic.Constants.vbCr | xref:Microsoft.VisualBasic.Constants.vbCritical |
| xref:Microsoft.VisualBasic.Constants.vbCrLf | xref:Microsoft.VisualBasic.Constants.vbCurrency | xref:Microsoft.VisualBasic.Constants.vbDate | xref:Microsoft.VisualBasic.Constants.vbDecimal |
| xref:Microsoft.VisualBasic.Constants.vbDefaultButton1 | xref:Microsoft.VisualBasic.Constants.vbDefaultButton2 | xref:Microsoft.VisualBasic.Constants.vbDefaultButton3 | xref:Microsoft.VisualBasic.Constants.vbDirectory |
| xref:Microsoft.VisualBasic.Constants.vbDouble | xref:Microsoft.VisualBasic.Constants.vbEmpty | xref:Microsoft.VisualBasic.Constants.vbExclamation | xref:Microsoft.VisualBasic.Constants.vbFalse |
| xref:Microsoft.VisualBasic.Constants.vbFirstFourDays | xref:Microsoft.VisualBasic.Constants.vbFirstFullWeek | xref:Microsoft.VisualBasic.Constants.vbFirstJan1 | xref:Microsoft.VisualBasic.Constants.vbFormFeed |
| xref:Microsoft.VisualBasic.Constants.vbFriday | xref:Microsoft.VisualBasic.Constants.vbGeneralDate | xref:Microsoft.VisualBasic.Constants.vbGet | xref:Microsoft.VisualBasic.Constants.vbHidden |
| xref:Microsoft.VisualBasic.Constants.vbHide | xref:Microsoft.VisualBasic.Constants.vbHiragana | xref:Microsoft.VisualBasic.Constants.vbIgnore | xref:Microsoft.VisualBasic.Constants.vbInformation |
| xref:Microsoft.VisualBasic.Constants.vbInteger | xref:Microsoft.VisualBasic.Constants.vbKatakana | xref:Microsoft.VisualBasic.Constants.vbLet | xref:Microsoft.VisualBasic.Constants.vbLf |
| xref:Microsoft.VisualBasic.Constants.vbLinguisticCasing | xref:Microsoft.VisualBasic.Constants.vbLong | xref:Microsoft.VisualBasic.Constants.vbLongDate | xref:Microsoft.VisualBasic.Constants.vbLongTime |
| xref:Microsoft.VisualBasic.Constants.vbLowerCase | xref:Microsoft.VisualBasic.Constants.vbMaximizedFocus | xref:Microsoft.VisualBasic.Constants.vbMethod | xref:Microsoft.VisualBasic.Constants.vbMinimizedFocus |
| xref:Microsoft.VisualBasic.Constants.vbMinimizedNoFocus | xref:Microsoft.VisualBasic.Constants.vbMonday | xref:Microsoft.VisualBasic.Constants.vbMsgBoxHelp | xref:Microsoft.VisualBasic.Constants.vbMsgBoxRight |
| xref:Microsoft.VisualBasic.Constants.vbMsgBoxRtlReading | xref:Microsoft.VisualBasic.Constants.vbMsgBoxSetForeground | xref:Microsoft.VisualBasic.Constants.vbNarrow | xref:Microsoft.VisualBasic.Constants.vbNewLine |
| xref:Microsoft.VisualBasic.Constants.vbNo | xref:Microsoft.VisualBasic.Constants.vbNormal | xref:Microsoft.VisualBasic.Constants.vbNormalFocus | xref:Microsoft.VisualBasic.Constants.vbNormalNoFocus |
| xref:Microsoft.VisualBasic.Constants.vbNull | xref:Microsoft.VisualBasic.Constants.vbNullChar | xref:Microsoft.VisualBasic.Constants.vbNullString | xref:Microsoft.VisualBasic.Constants.vbObject |
| xref:Microsoft.VisualBasic.Constants.vbObjectError | xref:Microsoft.VisualBasic.Constants.vbOK | xref:Microsoft.VisualBasic.Constants.vbOKCancel | xref:Microsoft.VisualBasic.Constants.vbOKOnly |
| xref:Microsoft.VisualBasic.Constants.vbProperCase | xref:Microsoft.VisualBasic.Constants.vbQuestion | xref:Microsoft.VisualBasic.Constants.vbReadOnly | xref:Microsoft.VisualBasic.Constants.vbRetry |
| xref:Microsoft.VisualBasic.Constants.vbRetryCancel | xref:Microsoft.VisualBasic.Constants.vbSaturday | xref:Microsoft.VisualBasic.Constants.vbSet | xref:Microsoft.VisualBasic.Constants.vbShortDate |
| xref:Microsoft.VisualBasic.Constants.vbShortTime | xref:Microsoft.VisualBasic.Constants.vbSimplifiedChinese | xref:Microsoft.VisualBasic.Constants.vbSingle | xref:Microsoft.VisualBasic.Constants.vbString |
| xref:Microsoft.VisualBasic.Constants.vbSunday | xref:Microsoft.VisualBasic.Constants.vbSystem | xref:Microsoft.VisualBasic.Constants.vbSystemModal | xref:Microsoft.VisualBasic.Constants.vbTab |
| xref:Microsoft.VisualBasic.Constants.vbTextCompare | xref:Microsoft.VisualBasic.Constants.vbThursday | xref:Microsoft.VisualBasic.Constants.vbTraditionalChinese | xref:Microsoft.VisualBasic.Constants.vbTrue |
| xref:Microsoft.VisualBasic.Constants.vbTuesday | xref:Microsoft.VisualBasic.Constants.vbUpperCase | xref:Microsoft.VisualBasic.Constants.vbUseDefault | xref:Microsoft.VisualBasic.Constants.vbUserDefinedType |
| xref:Microsoft.VisualBasic.Constants.vbUseSystem | xref:Microsoft.VisualBasic.Constants.vbUseSystemDayOfWeek | xref:Microsoft.VisualBasic.Constants.vbVariant | xref:Microsoft.VisualBasic.Constants.vbVerticalTab |
| xref:Microsoft.VisualBasic.Constants.vbVolume | xref:Microsoft.VisualBasic.Constants.vbWednesday | xref:Microsoft.VisualBasic.Constants.vbWide | xref:Microsoft.VisualBasic.Constants.vbYes |
| xref:Microsoft.VisualBasic.Constants.vbYesNo | xref:Microsoft.VisualBasic.Constants.vbYesNoCancel |
| xref:Microsoft.VisualBasic.Conversion.ErrorToString%2A | xref:Microsoft.VisualBasic.Conversion.Fix%2A | xref:Microsoft.VisualBasic.Conversion.Hex%2A | xref:Microsoft.VisualBasic.Conversion.Int%2A |
| xref:Microsoft.VisualBasic.Conversion.Oct%2A | xref:Microsoft.VisualBasic.Conversion.Str%2A | xref:Microsoft.VisualBasic.Conversion.Val%2A |
| xref:Microsoft.VisualBasic.DateAndTime.DateAdd%2A | xref:Microsoft.VisualBasic.DateAndTime.DateDiff%2A | xref:Microsoft.VisualBasic.DateAndTime.DatePart%2A | xref:Microsoft.VisualBasic.DateAndTime.DateSerial%2A |
| xref:Microsoft.VisualBasic.DateAndTime.DateString%2A | xref:Microsoft.VisualBasic.DateAndTime.DateValue%2A | xref:Microsoft.VisualBasic.DateAndTime.Day%2A | xref:Microsoft.VisualBasic.DateAndTime.Hour%2A |
| xref:Microsoft.VisualBasic.DateAndTime.Minute%2A | xref:Microsoft.VisualBasic.DateAndTime.Month%2A | xref:Microsoft.VisualBasic.DateAndTime.MonthName%2A | xref:Microsoft.VisualBasic.DateAndTime.Now%2A |
| xref:Microsoft.VisualBasic.DateAndTime.Second%2A | xref:Microsoft.VisualBasic.DateAndTime.TimeOfDay%2A | xref:Microsoft.VisualBasic.DateAndTime.Timer%2A | xref:Microsoft.VisualBasic.DateAndTime.TimeSerial%2A |
| xref:Microsoft.VisualBasic.DateAndTime.TimeString%2A | xref:Microsoft.VisualBasic.DateAndTime.TimeValue%2A | xref:Microsoft.VisualBasic.DateAndTime.Today%2A | xref:Microsoft.VisualBasic.DateAndTime.Weekday%2A |
| xref:Microsoft.VisualBasic.DateAndTime.WeekdayName%2A | xref:Microsoft.VisualBasic.DateAndTime.Year%2A |
| xref:Microsoft.VisualBasic.ErrObject.Clear%2A | xref:Microsoft.VisualBasic.ErrObject.Description%2A | xref:Microsoft.VisualBasic.ErrObject.Erl%2A | xref:Microsoft.VisualBasic.ErrObject.GetException%2A |
| xref:Microsoft.VisualBasic.ErrObject.HelpContext%2A | xref:Microsoft.VisualBasic.ErrObject.HelpFile%2A | xref:Microsoft.VisualBasic.ErrObject.LastDllError%2A | xref:Microsoft.VisualBasic.ErrObject.Number%2A |
| xref:Microsoft.VisualBasic.ErrObject.Raise%2A | xref:Microsoft.VisualBasic.ErrObject.Raise%2A |
| xref:Microsoft.VisualBasic.FileSystem.ChDir%2A | xref:Microsoft.VisualBasic.FileSystem.ChDrive%2A | xref:Microsoft.VisualBasic.FileSystem.CurDir%2A | xref:Microsoft.VisualBasic.FileSystem.Dir%2A |
| xref:Microsoft.VisualBasic.FileSystem.EOF%2A | xref:Microsoft.VisualBasic.FileSystem.FileAttr%2A | xref:Microsoft.VisualBasic.FileSystem.FileClose%2A | xref:Microsoft.VisualBasic.FileSystem.FileCopy%2A |
| xref:Microsoft.VisualBasic.FileSystem.FileDateTime%2A | xref:Microsoft.VisualBasic.FileSystem.FileGet%2A | xref:Microsoft.VisualBasic.FileSystem.FileGetObject%2A | xref:Microsoft.VisualBasic.FileSystem.FileLen%2A |
| xref:Microsoft.VisualBasic.FileSystem.FileOpen%2A | xref:Microsoft.VisualBasic.FileSystem.FilePut%2A | xref:Microsoft.VisualBasic.FileSystem.FilePutObject%2A | xref:Microsoft.VisualBasic.FileSystem.FileWidth%2A |
| xref:Microsoft.VisualBasic.FileSystem.FreeFile%2A | xref:Microsoft.VisualBasic.FileSystem.GetAttr%2A | xref:Microsoft.VisualBasic.FileSystem.Input%2A | xref:Microsoft.VisualBasic.FileSystem.InputString%2A |
| xref:Microsoft.VisualBasic.FileSystem.Kill%2A | xref:Microsoft.VisualBasic.FileSystem.LineInput%2A | xref:Microsoft.VisualBasic.FileSystem.Loc%2A | xref:Microsoft.VisualBasic.FileSystem.Lock%2A |
| xref:Microsoft.VisualBasic.FileSystem.LOF%2A | xref:Microsoft.VisualBasic.FileSystem.MkDir%2A | xref:Microsoft.VisualBasic.FileSystem.Print%2A | xref:Microsoft.VisualBasic.FileSystem.PrintLine%2A |
| xref:Microsoft.VisualBasic.FileSystem.Rename%2A | xref:Microsoft.VisualBasic.FileSystem.Reset%2A | xref:Microsoft.VisualBasic.FileSystem.RmDir%2A | xref:Microsoft.VisualBasic.FileSystem.Seek%2A |
| xref:Microsoft.VisualBasic.FileSystem.SetAttr%2A | xref:Microsoft.VisualBasic.FileSystem.SPC%2A | xref:Microsoft.VisualBasic.FileSystem.TAB%2A | xref:Microsoft.VisualBasic.FileSystem.Unlock%2A |
| xref:Microsoft.VisualBasic.FileSystem.Write%2A | xref:Microsoft.VisualBasic.FileSystem.WriteLine%2A |
| xref:Microsoft.VisualBasic.Financial.DDB%2A | xref:Microsoft.VisualBasic.Financial.FV%2A | xref:Microsoft.VisualBasic.Financial.IPmt%2A | xref:Microsoft.VisualBasic.Financial.IRR%2A |
| xref:Microsoft.VisualBasic.Financial.MIRR%2A | xref:Microsoft.VisualBasic.Financial.NPer%2A | xref:Microsoft.VisualBasic.Financial.NPV%2A | xref:Microsoft.VisualBasic.Financial.Pmt%2A |
| xref:Microsoft.VisualBasic.Financial.PPmt%2A | xref:Microsoft.VisualBasic.Financial.PV%2A | xref:Microsoft.VisualBasic.Financial.Rate%2A | xref:Microsoft.VisualBasic.Financial.SLN%2A |
| xref:Microsoft.VisualBasic.Financial.SYD%2A |
| xref:Microsoft.VisualBasic.Globals.ScriptEngine%2A | xref:Microsoft.VisualBasic.Globals.ScriptEngineBuildVersion%2A | xref:Microsoft.VisualBasic.Globals.ScriptEngineMajorVersion%2A | xref:Microsoft.VisualBasic.Globals.ScriptEngineMinorVersion%2A |
| xref:Microsoft.VisualBasic.HideModuleNameAttribute |
| xref:Microsoft.VisualBasic.Information.Erl%2A | xref:Microsoft.VisualBasic.Information.Err%2A | xref:Microsoft.VisualBasic.Information.IsArray%2A | xref:Microsoft.VisualBasic.Information.IsDate%2A |
| xref:Microsoft.VisualBasic.Information.IsDBNull%2A | xref:Microsoft.VisualBasic.Information.IsError%2A | xref:Microsoft.VisualBasic.Information.IsNothing%2A | xref:Microsoft.VisualBasic.Information.IsNumeric%2A |
| xref:Microsoft.VisualBasic.Information.IsReference%2A | xref:Microsoft.VisualBasic.Information.LBound%2A | xref:Microsoft.VisualBasic.Information.QBColor%2A | xref:Microsoft.VisualBasic.Information.RGB%2A |
| xref:Microsoft.VisualBasic.Information.SystemTypeName%2A | xref:Microsoft.VisualBasic.Information.TypeName%2A | xref:Microsoft.VisualBasic.Information.UBound%2A | xref:Microsoft.VisualBasic.Information.VarType%2A |
| xref:Microsoft.VisualBasic.Information.VbTypeName%2A |
| xref:Microsoft.VisualBasic.Interaction.AppActivate%2A | xref:Microsoft.VisualBasic.Interaction.Beep%2A | xref:Microsoft.VisualBasic.Interaction.CallByName%2A | xref:Microsoft.VisualBasic.Interaction.Choose%2A |
| xref:Microsoft.VisualBasic.Interaction.Command%2A | xref:Microsoft.VisualBasic.Interaction.CreateObject%2A | xref:Microsoft.VisualBasic.Interaction.DeleteSetting%2A | xref:Microsoft.VisualBasic.Interaction.Environ%2A |
| xref:Microsoft.VisualBasic.Interaction.GetAllSettings%2A | xref:Microsoft.VisualBasic.Interaction.GetObject%2A | xref:Microsoft.VisualBasic.Interaction.GetSetting%2A | xref:Microsoft.VisualBasic.Interaction.IIf%2A |
| xref:Microsoft.VisualBasic.Interaction.InputBox%2A | xref:Microsoft.VisualBasic.Interaction.MsgBox%2A | xref:Microsoft.VisualBasic.Interaction.Partition%2A | xref:Microsoft.VisualBasic.Interaction.SaveSetting%2A |
| xref:Microsoft.VisualBasic.Interaction.Shell%2A | xref:Microsoft.VisualBasic.Interaction.Switch%2A |
| xref:Microsoft.VisualBasic.MyGroupCollectionAttribute.CreateMethod%2A | xref:Microsoft.VisualBasic.MyGroupCollectionAttribute.DefaultInstanceAlias%2A | xref:Microsoft.VisualBasic.MyGroupCollectionAttribute.DisposeMethod%2A | xref:Microsoft.VisualBasic.MyGroupCollectionAttribute.MyGroupName%2A |
| xref:Microsoft.VisualBasic.Strings.Asc%2A | xref:Microsoft.VisualBasic.Strings.Asc%2A | xref:Microsoft.VisualBasic.Strings.Chr%2A | xref:Microsoft.VisualBasic.Strings.ChrW%2A |
| xref:Microsoft.VisualBasic.Strings.Filter%2A | xref:Microsoft.VisualBasic.Strings.Format%2A | xref:Microsoft.VisualBasic.Strings.FormatCurrency%2A | xref:Microsoft.VisualBasic.Strings.FormatDateTime%2A |
| xref:Microsoft.VisualBasic.Strings.FormatNumber%2A | xref:Microsoft.VisualBasic.Strings.FormatPercent%2A | xref:Microsoft.VisualBasic.Strings.GetChar%2A | xref:Microsoft.VisualBasic.Strings.InStr%2A |
| xref:Microsoft.VisualBasic.Strings.InStrRev%2A | xref:Microsoft.VisualBasic.Strings.Join%2A | xref:Microsoft.VisualBasic.Strings.LCase%2A | xref:Microsoft.VisualBasic.Strings.Left%2A |
| xref:Microsoft.VisualBasic.Strings.Len%2A | xref:Microsoft.VisualBasic.Strings.LSet%2A | xref:Microsoft.VisualBasic.Strings.LTrim%2A | xref:Microsoft.VisualBasic.Strings.Mid%2A |
| xref:Microsoft.VisualBasic.Strings.Replace%2A | xref:Microsoft.VisualBasic.Strings.Right%2A | xref:Microsoft.VisualBasic.Strings.RSet%2A | xref:Microsoft.VisualBasic.Strings.RTrim%2A |
| xref:Microsoft.VisualBasic.Strings.Space%2A | xref:Microsoft.VisualBasic.Strings.Split%2A | xref:Microsoft.VisualBasic.Strings.StrComp%2A | xref:Microsoft.VisualBasic.Strings.StrConv%2A |
| xref:Microsoft.VisualBasic.Strings.StrDup%2A | xref:Microsoft.VisualBasic.Strings.StrReverse%2A | xref:Microsoft.VisualBasic.Strings.Trim%2A | xref:Microsoft.VisualBasic.Strings.UCase%2A |
| xref:Microsoft.VisualBasic.VBFixedArrayAttribute.Bounds%2A | xref:Microsoft.VisualBasic.VBFixedArrayAttribute.Length%2A |
| xref:Microsoft.VisualBasic.VBFixedStringAttribute.Length%2A |
| xref:Microsoft.VisualBasic.VBMath.Randomize%2A | xref:Microsoft.VisualBasic.VBMath.Rnd%2A |
The Microsoft.VisualBasic namespace provides constants and enumerations as part of the [!INCLUDEvbprvb] run-time library. You can use these constant values in your code. Each enumeration represents a particular category of functionality. For more information, see Constants and Enumerations.