To modify a structure:
Do one of the following:
In the Open dialog box, select the global structure you want to modify.
Open the painter for the object that contains the object-level structure and select the structure from the Structure List view.
If the Structure List view is not open, select it from the View menu.
Review the variable information displayed in the Structure view and modify the structure as necessary.
To insert a variable before an existing variable, highlight it and select Insert>Row from the menu bar or Insert Row from the pop-up menu.
To delete a variable, select Delete Row from the pop-up menu.
Save the modified structure.
If you want to create a structure that is similar to one that already exists, you can use the existing structure as a starting point and modify it.
To build an object-level structure that is similar to an existing object-level structure:
Select the existing structure in the Structure List view.
Select Duplicate from the pop-up menu.
Name the new structure in the Structure Name box.
Modify variables as needed.
To build a global structure that is similar to an existing global structure:
Open and modify the existing structure.
Select File>Save As to save the structure under another name or in another library.