Visual Basic 6.0

Insert XML into existing XML by calling InsertChildTreeAfter

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Demonstrates how to insert an XML tree or subtree into another XML document using the InsertChildTreeAfter method. Visual Basic 6.0

' Build the 1st XML document:
' <x1>
'     <a1>1</a1>
'     <a2>2</a2>
'     <a3>3</a3>
' </x1>

Dim xml As New ChilkatXml
xml.Tag = "x1"
xml.UpdateChildContent "a1","1"
xml.UpdateChildContent "a2","2"
xml.UpdateChildContent "a3","3"

' Build a 2nd XML document:

' <x2>
'   <b1>11</b1>
'   <b2>22</b2>
'   <b3>33</b3>
' </x2>

Dim xml2 As New ChilkatXml
xml2.Tag = "x2"
xml2.UpdateChildContent "b1","11"
xml2.UpdateChildContent "b2","22"
xml2.UpdateChildContent "b3","33"

' We want to insert xml2 into xml to get this:

' <x1>
'     <a1>1</a1>
'     <x2>
'         <b1>11</b1>
'         <b2>22</b2>
'         <b3>33</b3>
'     </x2>
'     <a2>2</a2>
'     <a3>3</a3>
' </x1>

' Insert xml2 after "a1"

Dim index As Long
index = xml.TagIndex("a1")
If (index < 0) Then
    Debug.Print "a1 not found."
    Exit Sub
End If

xml.InsertChildTreeAfter index,xml2

Debug.Print xml.GetXml()

' The result is:

' <x1>
'     <a1>1</a1>
'     <x2>
'         <b1>11</b1>
'         <b2>22</b2>
'         <b3>33</b3>
'     </x2>
'     <a2>2</a2>
'     <a3>3</a3>
' </x1>

' Note: xml2 now points to the subtree within xml.
' For example, update "b3" and then see how it's updated within the merged document:
xml2.UpdateChildContent "b3","33333333"

Debug.Print xml.GetXml()

' The result:

' <x1>
'     <a1>1</a1>
'     <x2>
'         <b1>11</b1>
'         <b2>22</b2>
'         <b3>33333333</b3>
'     </x2>
'     <a2>2</a2>
'     <a3>3</a3>
' </x1>