VB 6.0 enterprise "DIAGRAM MENU"

Can anyone tell me what the "Diagram" menu option on the main menu bar of VB 6.0 enterprise is for.  It appears on my installation, but all the options are inactive.  I even uninstalled and reinstalled VB, thinking that I had an install problem.  I have installed VB 6.0 SP1.  I can't find any information on this thing in any of the MS documentation, not even searching through the online knowledgebase.  I guess I must not need it, since I am working without it, but I sure would like to know why it is there....
rwallis1Asked:
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tjpCommented:
It's for creating/editing MS Access-style relationship diagrams.
To use it in an existing project:

1.  On the Project menu, click "Add Data Environment" (if you don't already have one; if you do, skip to 3.)
2.  Connect to whatever database you want to use.
3.  Now that you have a successful connection to a DB, go to the View menu and click "Data View Window"
4.  Expand "Data Environment Connections" and "Connection1" or whatever you named it.
5.  Right click on Database diagrams, and select "New Diagram..."

A window will open now for you to create the diagram in, but you might get a warning if you are not logged in to the database as sa or the db owner.  The Diagram menu's items will now be active as well.

There's info in the MSDN Library included with VS6, too.  Look in the contents under:
Visual Studio Documentation\Data Access Tools and Techniques\Microsoft Visual Database Tools\The Visual Database Tools in Visual Studio\Database Designer\Working in Database Diagrams
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rwallis1Author Commented:
Well, I know how to create database diagrams as described here, however, I still don't know what that has to do with the "Diagram" option on the main menu bar.  I have created diagrams and tried every way I can think of to "activate" the main menu bar "Daigram" option.  I agree that the documentation makes it sound as if "Diagram" has to do with "database diagrams", but, you gonna have to show me someting I can do by clicking on "Diagram" or one of it's options.
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tjpCommented:
When the Database Diagram is the active window, the items on the Diagram menu will be available...  at least, that's the way my VB 6 Enterprise works.

Make sure you don't click on any of the tool windows in VB before you check the Diagrams menu.  If the Toolbox, Project, or Properties windows has the focus, your Diagram menu items will be disabled again.
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rwallis1Author Commented:
Thanks for the reply.  I'll try again.  I figured it should work as you describe, but, so far, I haven't ever seen anything in "Diagram" active.  I am using ADO exclusively.  Would that have any bearing on "Diagram" being active?
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rwallis1Author Commented:
Well, I tried again based on the following comment:

"When the Database Diagram is the active window, the items on the Diagram menu will be available...  at least, that's the way my VB 6 Enterprise works."

My VB 6.0 Enterprise doesn't work this way.  There has got to be more to this.  I have heard that the Diagram menu is active only for SQL Server, can anyone confirm this?  I am not using SQL server, I am using Progress via ADO/ODBC and Access.
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