How to check whether an Xml file have processing Instruction
Example
You can use FirstChild property of XmlDocument class and XmlProcessingInstruction class:
XmlDocument doc = new XmlDocument();
doc.Load("example.xml");
if (doc.FirstChild is XmlProcessingInstruction)
{
XmlProcessingInstruction processInfo = (XmlProcessingInstruction) doc.FirstChild;
Console.WriteLine(processInfo.Data);
Console.WriteLine(processInfo.Name);
Console.WriteLine(processInfo.Target);
Console.WriteLine(processInfo.Value);
}
Parse Value or Data properties to get appropriate values.