ValidateCount Attribute Declaration

The ValidateCount attribute specifies the minimum and maximum number of arguments allowed for a cmdlet parameter.

Syntax

[ValidateCount(int minLength, int maxlength)]

Parameters

MinLength (System.Int32) Required. Specifies the minimum number of arguments.

MaxLength(System.Int32) Required. Specifies the maximum number of arguments.

Remarks

• For more information about how to declare this attribute, see How to Validate an Argument Count.
• When this attribute is not invoked, the corresponding cmdlet parameter can have any number of arguments.
• The Windows PowerShell runtime throws an error under the following conditions:
  • The MinLength and MaxLength attribute parameters are not of type System.Int32.
  • The value of the MaxLength attribute parameter is less than the value of the MinLength attribute parameter.
• The ValidateCount attribute is defined by the System.Management.Automation.ValidateCountAttribute class.

See Also

System.Management.Automation.ValidateCountAttribute

How to Validate an Argument Count

Writing a Windows PowerShell Cmdlet