Represents a binding between a generic form control and an R/3 data field.

A form control may be linked to several data fields in an SAPData object. All such bindings of a form control are contained in the Links list in the SAPCtrl class. The bindings are established when the form is designed by means of the SAPForms Designer and are stored in the Save method of the SAPForm class. Furthermore, they are reconstructed in the Load method of the SAPForm class every time the form is loaded and are used by the PutData and GetData methods to populate the SAP fields with the form fields and vice versa.

The form control referenced in the link is identified by means of its display name. The data field referenced in the link is identified by means of the field qualifier and optionally by a field selector plus selector value.

Links are m: n relationships, that is, a form field may be linked to several data fields and a certain data field may be linked to several form fields.

The Link class is only required for developing plug-ins.