You can dynamically delete individual entries in a parent child instance list without collapsing the visual tree

Visual LANSA Framework

You can dynamically delete individual entries in a parent-child instance list without collapsing the visual tree

To do this use #AvListManager.BeginListUpdate Mode(DYNAMIC), as in these examples:

To delete employee number A1012 from the instance list:

 

Invoke Method(#avListManager.BeginListUpdate) Mode(DYNAMIC)

 

Invoke Method(#avListManager. RemoveFromList) Akey1('ADM') Akey2('01')

       Akey3('A1012') BusinessObjectType(EMPLOYEES)

 

Invoke Method(#avListManager.EndListUpdate)

 

To delete SECTION ADM-02 and its child EMPLOYEEs from the instance list

 

Invoke Method(#avListManager.BeginListUpdate) Mode(DYNAMIC)

 

Invoke Method(#avListManager.RemoveFromList) AKey1('ADM') AKey2('02')

       BusinessObjectType(SECTIONS)

 

Invoke Method(#avListManager.EndListUpdate)

  

Also see Updating and Deleting Instance List Entries