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VB.NET UWP/WinRT Examples

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(VB.NET UWP/WinRT) GetChild* methods

Demonstrates several of the GetChild* methods.

The input XML, available at http://www.chilkatsoft.com/data/get_child.xml, is this:

<root>
    <fruit color="red">apple</fruit>
    <fruit color="green">pear</fruit>
    <veg color="orange">carrot</veg>
    <meat animal="cow">beef</meat>
    <xyz>
        <fruit color="blue">blueberry</fruit>
        <veg color="green">broccoli</veg>
    </xyz>
    <fruit color="purple">grape</fruit>
    <cheese color="yellow">cheddar</cheese>
</root>

The output XML is this:

<abc b="pear" c="orange" a="130">Test</abc>

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

Dim xml As New Chilkat.Xml
Dim child As Chilkat.Xml

Dim success As Boolean
'  The sample input XML is available at http://www.chilkatsoft.com/data/get_child.xml
success = xml.LoadXmlFile("get_child.xml")
If (success <> True) Then
    Debug.WriteLine(xml.LastErrorText)
    Exit Sub
End If


'  The NumChildren property contains the number of direct
'  child nodes.  Note: The child nodes under "xyz" are NOT
'  direct children of "root".  Therefore, the "root" node has
'  7 direct children
Debug.WriteLine("NumChildren = " & xml.NumChildren)

'  Iterate over the direct children by index. The first child
'  is at index 0.
Dim i As Integer
For i = 0 To xml.NumChildren - 1
    '   access the tag and content directly by index:
    Debug.WriteLine(i & ": " & xml.GetChildTagByIndex(i) & " : " & xml.GetChildContentByIndex(i))

Next
Debug.WriteLine("-----")

'  Do the same as the above loop, but get the child node
'  and access the Tag and Content properties:
For i = 0 To xml.NumChildren - 1
    child = xml.GetChild(i)
    Debug.WriteLine(i & ": " & child.Tag & " : " & child.Content)

Next
Debug.WriteLine("-----")

'  Do the same as the above loop, but instead of creating
'  a new object instance for each child, call GetChild2 to
'  update the object's reference instead.
For i = 0 To xml.NumChildren - 1
    '  Navigate to the Nth child.
    success = xml.GetChild2(i)
    Debug.WriteLine(i & ": " & xml.Tag & " : " & xml.Content)
    '  Navigate back up to the parent:
    success = xml.GetParent2()
Next
Debug.WriteLine("-----")

'  Examine the result:
Debug.WriteLine(xml.GetXml())

 

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