Answer:
The "Connect Lines/Members" option can be implemented with the "ConnectLines()" and "ConnectMembers()" functions. Both functions expect a string with the numbers of the lines or members:
Sub test_connect()
Dim iMod As RFEM5.modelSet iMod = GetObject(, "RFEM5.Model")
iMod.GetApplication.LockLicense
On Error GoTo e
Dim iModData As RFEM5.IModelData2Set iModData = iMod.GetModelData()
iModData.PrepareModificationiModData.ConnectLines ("3,4")iModData.ConnectMembers ("1,2")iModData.FinishModification
e:
If Err.Number <> 0 Then MsgBox Err.description, vbCritical, Err.SourceiMod.GetApplication.UnlockLicenseSet iMod = Nothing
End SubIn this example, Line 1 and Line 2 are connected and a node is created at the intersection point. The same applies to Member 1 and Member 2, where a new node is also created at the intersection point.
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