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Enum statement

Table of contents
  1. Syntax
  2. Remarks
  3. Example

Declares a type for an enumeration.


[ Public | Private ] Enumname membername [= constantexpression ] membername [= constantexpression ] . . . End Enum

The Enum statement has these parts:

Part Description
Public Optional. Specifies that the Enum type is visible throughout the project. Enum types are Public by default.
Private Optional. Specifies that the Enum type is visible only within the module in which it appears.
name Required. The name of the Enum type. The name must be a valid Visual Basic identifier and is specified as the type when declaring variables or parameters of the Enum type.
membername Required. A valid Visual Basic identifier specifying the name by which a constituent element of the Enum type will be known.
constantexpression Optional. Value of the element (evaluates to a Long). If no constantexpression is specified, the value assigned is either zero (if it is the first membername ), or 1 greater than the value of the immediately preceding membername.


Enumeration variables are variables declared with an Enum type. Both variables and parameters can be declared with an Enum type. The elements of the Enum type are initialized to constant values within the Enum statement. The assigned values can't be modified at run time and can include both positive and negative numbers. For example:

Enum SecurityLevel
    IllegalEntry = -1
    SecurityLevel1 = 0
    SecurityLevel2 = 1
End Enum

An Enum statement can appear only at the module level. After the Enum type is defined, it can be used to declare variables, parameters, or procedures returning its type. You can't qualify an Enum type name with a module name.

Public Enum types in a class module are not members of the class; however, they are written to the type library. Enum types defined in standard modules aren't written to type libraries. Public Enum types of the same name can't be defined in both standard modules and class modules because they share the same name space. When two Enum types in different type libraries have the same name, but different elements, a reference to a variable of the type depends on which type library has higher priority in the References.

You can't use an Enum type as the target in a With block.


The following example shows the Enum statement used to define a collection of named constants. In this case, the constants are colors you might choose to design data entry forms for a database.

Public Enum InterfaceColors
    icMistyRose = &HE1E4FF
    icSlateGray = &H908070
    icDodgerBlue = &HFF901E
    icDeepSkyBlue = &HFFBF00
    icSpringGreen = &H7FFF00
    icForestGreen = &H228B22
    icGoldenrod = &H20A5DA
    icFirebrick = &H2222B2
End Enum

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