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Visual Basic for Applications Reference

Visual Studio 6.0

Option Explicit Statement

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Used at module level to force explicit declaration of all variables in that module.

Syntax

Option Explicit

Remarks

If used, the Option Explicit statement must appear in a module before any procedures.

When Option Explicit appears in a module, you must explicitly declare all variables using the Dim, Private, Public, ReDim, or Static statements. If you attempt to use an undeclared variable name, an error occurs at compile time.

If you don't use the Option Explicit statement, all undeclared variables are of Variant type unless the default type is otherwise specified with a Deftype statement.

Note   Use Option Explicit to avoid incorrectly typing the name of an existing variable or to avoid confusion in code where the scope of the variable is not clear.

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