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For an example see shipped Examples -> Advanced -> Children:

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Note that tree visualization in VLF-ONE is different to VLF-WIN.

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To make parent-child relationships work:

1.

A business object has to be defined for the parent and each child


For example, in the shipped VLF-ONE Children example the parent is PARENT_PRODUCT and the children are CHILD_ORDER and CHILD_SUPPLIER.


2.

A relationship has to be defined between the parent and the children on the Instance Lists tab of the parent


For example, the shipped demo's PARENT_PRODUCT has these relationships defined:

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3.

When adding items to the instance list you need to specify their user object names and parent items.


When adding items to the instance list you need to specify:

  • Their user object names in the Businessobjecttype() parameter of the AddToList method.
  • If an item is a child, their parent item in the ParentDataItem() parameter.