Installing WMHelp XMLPad Pro

This section describes what is XMLPad and how to install and run XMLPad.

What is XMLPad? XMLPad is a freeware XML editor with ability to edit XML, DTD, XSD, and other XML related documents. XMLPad also perform DTD validation, XML Schema (XSD) validation, XSLT transformation.

The current version XMLPad Pro 3.0 has the following nice features:

Here is what I did to install WMHelp XMLPad Pro 3:

1. Go to WMHelp Website at, and download XMLPad3. The download file,, is 10,570,670 bytes.

2. Save the downloaded file,, to \temp directory.

3. Unzip, The setup file, setup.exe, shows up as \temp\setup.exe.

4. Double click \temp\setup.exe. The installation wizard shows up.

5. Follow the instruction provided by the wizard to finish the installation.

6. Run XMLPad from Start > All Programs > WMHelp XMLPad > XMLPad. The XMLPad main window shows up:

XMLPad - Main Window
XMLPad - Main Window

Table of Contents

 About This Book

 Introduction to XML Schema

XML Editor and Schema Processor - XMLPad

Installing WMHelp XMLPad Pro

 Creating and Editing XML Documents

 Creating and Editing XML Schema Documents

 Assigning XML Schema to XML Documents

 Validating XML Documents with Assigned XSD

 Validating Non-Conforming XML Documents

 XMLPad Crash When Validating Non-Conforming XML Documents

 Generating XML Schema Diagrams

 Generating XML Schema Documentations

 Java API for XML Processing - JAXP

 JAXP - XML Schema (XSD) Validation

 Xerces2 Java Parser - Java API of XML Parsers

 Using Xerces2 Java APIs

 XML Schema Language - Basics

 Introduction of XSD Built-in Datatypes

 "string" and Its Derived Datatypes

 "decimal" and Its Derived Datatypes

 "dateTime" and Its Related Datatypes

 Miscellaneous Built-in Datatypes

 Facets, Constraining Facets and Restriction Datatypes

 "simpleType" - Defining Your Own Simple Datatypes

 Complex Element Declaration

 Identity-Constraints: unique, key and keyref

 Assertion as Custom Validation Rules

 XML Schema Location and Namespace in XML Documents

 Overriding Element Types in XML Documents

 Linking Multiple Schema Documents Together


 Archived Tutorials


 Full Version in PDF/EPUB