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C# UWP/WinRT Examples

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(C# 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)

Chilkat.Xml xml = new Chilkat.Xml();
Chilkat.Xml child = null;

bool success;
// The sample input XML is available at http://www.chilkatsoft.com/data/get_child.xml
success = xml.LoadXmlFile("get_child.xml");
if (success != true) {
    Debug.WriteLine(xml.LastErrorText);
    return;
}

// 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 = " + Convert.ToString(xml.NumChildren));

// Iterate over the direct children by index. The first child
// is at index 0.
int i;
for (i = 0; i <= xml.NumChildren - 1; i++) {
    //  access the tag and content directly by index:
    Debug.WriteLine(Convert.ToString(i) + ": " + xml.GetChildTagByIndex(i) + " : " + xml.GetChildContentByIndex(i));

}

Debug.WriteLine("-----");

// Do the same as the above loop, but get the child node
// and access the Tag and Content properties:
for (i = 0; i <= xml.NumChildren - 1; i++) {
    child = xml.GetChild(i);
    Debug.WriteLine(Convert.ToString(i) + ": " + child.Tag + " : " + child.Content);

}

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; i <= xml.NumChildren - 1; i++) {
    // Navigate to the Nth child.  
    success = xml.GetChild2(i);
    Debug.WriteLine(Convert.ToString(i) + ": " + xml.Tag + " : " + xml.Content);
    // Navigate back up to the parent:
    success = xml.GetParent2();
}

Debug.WriteLine("-----");

// Examine the result:
Debug.WriteLine(xml.GetXml());

 

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