File Locking Issues when using WPF and Silverlight Designer When creating and testing a registered assembly (e.g. an assembly registered via TCI), it is possible to run into a file locking issue that causes compilation to fail.  While there are a few different manifestations of this particular issue...

User code exceptions may affect designer and Visual Studio Any user code that throws an exception at design-time can cause unhandled exceptions in the designer and may even cause Visual Studio to crash. To protect against this, prevent your code from executing at design time by wrapping it with DesignerProperties...

A second hot fix has been made available for Visual Studio 2010 Release Candidate that solves another IntelliSense related crash. Get the hot fix Information here. There are now two hot fixes.  Please ensure that if you are using Visual Studio 2010 Release Candidate that you install both hot fixes...

This post provides information on a few high profile Visual Studio 2010 Release Candidate bugs and some additional information that will help developers have a successful experience with the WPF & Silverlight Designer. Table of Contents Known Issues Application Compatibility Designer Limitations...

If you have installed Visual Studio 2010 Release Candidate and have experienced one or more crashes while editing Code or XAML please install the below hot fix.  The crashes are related to IntelliSense displaying. Hot Fix:  http://code.msdn.microsoft.com/KB980610 We apologize for this inconvenience...

Known Issue When writing ListBoxItem triggers in a style that trigger on the ListBox.AlternationIndex attached property value, if you use the valid syntax ListBox.AlternationIndex like the first trigger below, the designer will display the following error: Error Property 'AlternationIndex' was not found...

Introduction The purpose of the post is to provide guidance for control authors to limit the controls added to the Toolbox and that are listed in the Choose Items Dialog. The word "controls" in this post is defined as "any public type in a control assembly that derives from FrameworkElement...

There is a known issue when using the Visual Studio 2010 WPF & Silverlight Designer or XAML Editor and a control derives from a generic base class.  The control and generic base class must be located in separate assemblies, otherwise the Designer and XAML Editor will display the following error...