NOTE: Images and Button objects only can be used as sources for control connections.
Right-click the object (for example, a button control) and select Link Control To. The Control Connections dialog box appears.
In the Control Connections dialog box, select the control you want to connect to another object's data source.
Click the Add button to specify the data source to connect to. In the Choose data source to connect dialog box, select from the available data sources. Only data sources that exist in your current display will be available.