Book Image

Mastering Windows Presentation Foundation

By : Sheridan Yuen
Book Image

Mastering Windows Presentation Foundation

By: Sheridan Yuen

Overview of this book

Windows Presentation Foundation is rich in possibilities when it comes to delivering an excellent user experience. This book will show you how to build professional-grade applications that look great and work smoothly. We start by providing you with a foundation of knowledge to improve your workflow – this includes teaching you how to build the base layer of the application, which will support all that comes after it. We’ll also cover the useful details of data binding. Next, we cover the user interface and show you how to get the most out of the built-in and custom WPF controls. The final section of the book demonstrates ways to polish your applications, from adding practical animations and data validation to improving application performance. The book ends with a tutorial on how to deploy your applications and outlines potential ways to apply your new-found knowledge so you can put it to use right away.
Table of Contents (19 chapters)
Mastering Windows Presentation Foundation
About the Author
About the Reviewer
Customer Feedback

Discovering inner exceptions

When we are building the content of our Views, we often make the odd typographical mistake here and there. Perhaps, we mistype the name of one of our properties in a binding path, or copy and paste some code that references other code that we have not copied.

At first, it may appear to be quite difficult to find the source of these types of errors, because when we run our application, the actual error that is raised by Visual Studio is usually of type XamlParseException and bares no direct relation to the actual error. The additional information provided is also of little help. Here is a typical example.

Let's investigate this further. We can see that the additional information supplied here says-'Provide value on 'System.Windows.Markup.StaticResourceHolder' threw an exception.' Line number '48' and line position '41'.

Now let's try to break this down to some meaningful information. Firstly, it is clear that the exception was thrown by the System.Windows.Markup...