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Microsoft.VisualBasic Namespace

The Microsoft.VisualBasic namespace contains types that support the Visual Basic Runtime in Visual Basic.

For more information about the language elements in the Visual Basic Runtime, see Visual Basic Reference.

 ClassDescription
Public classCollectionA Visual Basic Collection is an ordered set of items that can be referred to as a unit.
Public classComClassAttributeThe ComClassAttribute attribute instructs the compiler to add metadata that allows a class to be exposed as a COM object.
Public classConstantsThe Constants module contains miscellaneous constants. These constants can be used anywhere in your code.
Public classControlCharsThe ControlChars module contains constants used as control characters. These constants can be used anywhere in your code.
Public classConversionThe Conversion module contains the procedures used to perform various conversion operations.
Public classDateAndTimeThe DateAndTime module contains the procedures and properties used in date and time operations.
Public classErrObjectThe ErrObject module contains properties and procedures used to identify and handle run-time errors using the Err object.
Public classFileSystemThe FileSystem module contains the procedures used to perform file, directory or folder, and system operations. The My feature gives you greater productivity and performance in file I/O operations than using the FileSystem module. For more information, see My.Computer.FileSystem Object.
Public classFinancialThe Financial module contains procedures used to perform financial operations.
Public classGlobalsThe Globals module contains script engine functions.
Public classHideModuleNameAttributeThe HideModuleNameAttribute attribute, when applied to a module, allows the module members to be accessed using only the qualification needed for the module.
Public classInformationThe Information module contains the procedures used to return, test for, or verify information.
Public classInteractionThe Interaction module contains procedures used to interact with objects, applications, and systems.
Public classMyGroupCollectionAttributeThis attribute supports My.Forms and My.WebServices in Visual Basic.
Public classStringsThe Strings module contains procedures used to perform string operations.
Public classVBCodeProviderProvides access to instances of the Visual Basic code generator and code compiler.
Public classVBFixedArrayAttributeIndicates that an array in a structure or non-local variable should be treated as a fixed-length array.
Public classVBFixedStringAttributeIndicates that a string should be treated as if it were fixed length.
Public classVBMathThe VbMath module contains procedures used to perform mathematical operations.
 StructureDescription
Public structureSpcInfoThis class supports the Visual BasicPrint and PrintLine functions.
Public structureTabInfoThis class supports the Visual BasicPrint and PrintLine functions.
 EnumerationDescription
Public enumerationAppWinStyleIndicates the window style to use for the invoked program when calling the Shell function.
Public enumerationAudioPlayModeIndicates how to play sounds when calling audio methods.
Public enumerationCallTypeIndicates the type of procedure being invoked when calling the CallByName function.
Public enumerationCompareMethodIndicates how to compare strings when calling comparison functions.
Public enumerationDateFormatIndicates how to display dates when calling the FormatDateTime function.
Public enumerationDateIntervalIndicates how to determine and format date intervals when calling date-related functions.
Public enumerationDueDateIndicates when payments are due when calling financial methods.
Public enumerationFileAttributeIndicates the file attributes to use when calling file-access functions.
Public enumerationFirstDayOfWeekIndicates the first day of the week to use when calling date-related functions.
Public enumerationFirstWeekOfYearIndicates the first week of the year to use when calling date-related functions.
Public enumerationMsgBoxResultIndicates which button was pressed on a message box, returned by the MsgBox function.
Public enumerationMsgBoxStyleIndicates which buttons to display when calling the MsgBox function.
Public enumerationOpenAccessIndicates how to open a file when calling file-access functions.
Public enumerationOpenModeIndicates how to open a file when calling file-access functions.
Public enumerationOpenShareIndicates how to open a file when calling file-access functions.
Public enumerationTriStateIndicates a Boolean value or whether the default should be used when calling number-formatting functions.
Public enumerationVariantTypeIndicates the type of a variant object, returned by the VarType function.
Public enumerationVbStrConvIndicates which type of conversion to perform when calling the StrConv function.
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