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Debugging and Interpreting Errors in the WPF Designer

The WPF Designer for Visual Studio provides full debugging support for your WPF controls and applications. If errors occur, various tools and resources are available to interpret and correct the errors.

Troubleshooting WPF and Silverlight Designer Load Failures

Describes how to diagnose common issues that can occur when you author a custom design-time for WPF controls.

XAML Errors and Help

Describes the Error List window and how to get help on XAML errors that appear in the WPF Designer.

Debugging and Interpreting Errors Walkthroughs

Contains links to topics that describe how to debug and interpret runtime errors in the WPF Designer.

Error Message Reference for the WPF Designer

Contains links to topics that describe XAML errors that appear in the WPF Designer.

Loading of the visual designer was cancelled

Describes the message that appears in the WPF Designer when you cancel loading a XAML file.

The document root element is not supported by the visual designer

Describes the message that appears in the WPF Designer when you open a XAML file without any visual objects.

The document contains errors that must be fixed

Describes the message that appears in the WPF Designer when a XAML file contains an error.

An unhandled exception has occurred

Describes the message that appears in the WPF Designer when a XAML file accesses code that contains an exception.

XamlParseException

Represents the exception class for parser-specific exceptions.

ExceptionRoutedEventArgs

Provides data for the Image and MediaElement failed events.

DispatcherUnhandledException

Occurs when code executing by way of the Dispatcher raises an exception which is not handled.

Troubleshooting WPF and Silverlight Designer Load Failures

Describes procedures for understanding unexpected behavior in your custom designer code.

XAML in WPF

Contains links to topics that describe how to use XAML markup to define your WPF controls and applications.

XAML Namespace (x:) Language Features

Contains links to topics that describe elements and attributes in the XAML namespace.

WPF XAML Extensions

Contains links to topics that describe XAML markup extensions.

Error List Window

Describes how errors, warnings, and messages are displayed in the Error List window.

Exception Assistant

Describes the Exception Assistant dialog box, which you can use to interpret runtime exceptions.

Debugging in Visual Studio

Contains links to topics that describe how to use Visual Studio to debug applications.

Exception Handling (Debugging)

Describes how to use the error handling features of Visual Studio to interpret runtime exceptions.

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