Sets the allowed data type and a set of valid values to use when validating a cell entry.

 public void SetAllowedType(ValidationType allowedType, System.Object sourceArray)
Public Sub SetAllowedType(ByVal allowedType As ValidationType, ByVal sourceArray As Object)

The data type allowed in the cell.

For 'List' allowed type: the array of valid values for the cell.

This method may only be used for ValidationTypes of List, Custom, or AnyValue. See object documentation for the ValidationType parameter type combinations accepted by this method.