This article discusses the construction of a simple utility that may be used to locate and evaluate paths within an XML document, and to test queries against those paths. The application allows the user to open an XML document into a TreeView control for easy viewing of the structure; the user may right click on any node within the TreeView to expose a context menu that will allow the user to copy the current path to that node. The user may then open a test window up and paste the copied path into an expression text box. Once the path has been pasted into the text box, the user may test the path directly, or may edit the path and test the ed..
