You need to import the component works controls into delphi:
1) Select Import ActiveX Control from the Component menu.
2) Scroll down the list until you find the components called "National Instruments
CW" ......
3) Select each component in turn and click "Install".
4) Select OK/Yes to all of the prompts.
5) Repeat steps 1-4 for all other controls in the list.
The components will be installed on the ActiveX tab of the component pallette.