If the value is @FALSEor the parameter is not specified, the function returns the value of the
field
item. If the value is @TRUE, the function returns the following according to the column type: - Column type Object: function returns the object identifier (HBJ), to which the item refers
to the field
- Other column
type
types: function returns
the
an invalid value
Example
The function provides an alternative method of the access to items of a structure using the row and column index. In this context, the structure is taken as a value matrix.