Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Export (0) Print
Expand All

ValidateLength Attribute Declaration

The ValidateLength attribute specifies the minimum and maximum number of characters for a cmdlet parameter argument. This attribute can also be used by Windows PowerShell functions.

[ValidateLength(int minLength, int maxlength)]


MinLength (Integer)
Required. Specifies the minimum number of characters allowed.

MaxLength (Integer)
Required. Specifies the maximum number of characters allowed.

  • For more information about how to declare this attribute, see How to Declare Input Validation Rules.

  • When this attribute is not used, the corresponding parameter argument can be of any length.

  • The Windows PowerShell runtime throws an error under the following conditions:

    • When the value of the MaxLength attribute parameter is less than the value of the MinLength attribute parameter.

    • When the MaxLength attribute parameter is set to 0.

    • When the argument is not a string.

  • The ValidateLength attribute is defined by the ValidateLengthAttribute class.

Community Additions

© 2015 Microsoft