You can browse through the interfaces and functions required to implement Delegation from Visual Basic.
Start Visual Basic and create a new project.
Select References on the Project menu.
In the References dialog box, select the check boxes corresponding to:
DRole 1.0 Type Library
DRReusbl 1.0 Type Library
DRADClient 1.0 Type Library
Press F2 to open the object browser
From the Libraries/Projects drop down box choose DROLELib, DRADCLIENTLib, or DRREUSBLLib.
Click one of the interface entries in the Classes/Modules list on the left hand side of the dialog box. The available methods and properties will now be visible in the Methods/Properties list on the right hand side of this dialog.
Click one of the methods or properties in the Methods/Properties list. You will now see a short description near the bottom of the dialog box.