Update 4.0.1 for Microsoft .NET Framework 4 - Design-Time Update for Visual Studio 2010 SP1

This article also applies to the following products:

• Microsoft Visual Studio 2010 SP1 Professional

Introduction

An update is available for Microsoft Visual Studio 2010 Service Pack 1 (SP1) that adds support for designing and developing applications for Microsoft .NET Framework 4 Platform Update 1.

This update contains the updates for the .NET Framework 4 Platform Update 1 that are described in the following Microsoft Knowledge base (KB) articles:

• 2478063  (http://support.microsoft.com/kb/2478063/ ) Update 4.0.1 for Microsoft .NET Framework 4 – Runtime Update
• 2495593  (http://support.microsoft.com/kb/2495593/ ) Update 4.0.1 for Microsoft .NET Framework 4 - Design-Time Update for Visual Studio 2010 SP1
• 2495638  (http://support.microsoft.com/kb/2495638/ ) Multi-Targeting Pack for the .NET Framework 4.0.1 is available

For more information about the specific features that are enabled as parts of the .NET Framework 4 Platform Update 1, click the following article number to view the article in the Microsoft Knowledge Base:

Download information

The following files are available for download from the Microsoft Download Center:

Download the package now. (http://go.microsoft.com/fwlink/?LinkID=209198)

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Command line switches for this update

For more information about the various command-line switches that are supported by this update, visit the following MSDN website:For more information about Windows Installer, visit the following MSDN website:

Prerequisites

To install this update, you must have Windows Installer 3.1 or a later version installed.

To obtain the latest version of Windows Installer, visit the following Microsoft website:

Known issues

You encounter the following known issues if you uninstall any one of the packages that are installed as parts of the .NET Framework 4 Platform Update 1:

• If you uninstall update 2495593, the Visual Studio toolbox support for State Machine model is removed.
• If you uninstall update 2495638, the Platform Update target framework and reference assemblies are removed. When you uninstall update 2495638, the uninstall operation regresses IntelliSense and compilations for Platform Update 1 features and for Workflow State Machine Designer.
• If you uninstall update 2478063, the runtime components that applications for Platform Update 1 require are removed.

Restart requirement

After you apply this update, you do not have to restart the computer unless the files that are being updated are locked or used.

However, you have to restart Visual Studio to display the new toolbox buttons in Visual Studio if Visual Studio 2010 SP1 is running when you install this update.

Update removal information

To remove this update completely, you have to remove the updates that are described in the following articles individually by using Add or Remove Programs in Control Panel:

• 2478063  (http://support.microsoft.com/kb/2478063/ ) Update 4.0.1 for Microsoft .NET Framework 4 – Runtime Update
• 2495593  (http://support.microsoft.com/kb/2495593/ ) Update 4.0.1 for Microsoft .NET Framework 4 - Design-Time Update for Visual Studio 2010 SP1
• 2495638  (http://support.microsoft.com/kb/2495638/ ) Multi-Targeting Pack for the .NET Framework 4.0.1 is available

Note These three updates are installed as parts of the .NET Framework 4 Platform Update 1.

File information

The global version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

This update adds support for designing and developing application for the .NET Framework 4 Platform Update 1 by using Visual Studio 2010 SP1.

To install this update, install the packages that are describes in the following articles in the Microsoft Knowledge Base:

• 2478063  (http://support.microsoft.com/kb/2478063/ ) Update 4.0.1 for Microsoft .NET Framework 4 – Runtime Update
• 2495593  (http://support.microsoft.com/kb/2495593/ ) Update 4.0.1 for Microsoft .NET Framework 4 - Design-Time Update for Visual Studio 2010 SP1
• 2495638  (http://support.microsoft.com/kb/2495638/ ) Multi-Targeting Pack for the .NET Framework 4.0.1 is available

To use the new feature that is provided by the .NET Framework Platform Update 1, follow these steps:

1. Install the Microsoft .NET Framework 4 Platform Update 1 - Design-Time Update.
2. Open Visual Studio 2010 SP1.
3. Create a new workflow project, and then set the target framework for the project to .NET Framework 4 Client Profile Platform Update 1 or to .NET Framework 4 Platform Update 1.
   
   Note The Target framework list is in Project Properties. By using this list, you can select the appropriate target framework version.
4. After the toolbox is refreshed, the new State Machine section that contains the following activity elements is displayed:
   • Pointer
   • StateMachine
   • State
   • FinalState
5. To use the State Machine model, move these activities to the designer window in a drag-and-drop operation.

Notes

• If you set the target framework to .NET Framework 4 Platform Update 1, you find IntelliSense for all new public APIs is exposed from the .NET Framework 4 Platform Update 1 - Runtime Update.
• For more information about how to use Workflow State Machine Designer, visit the following Microsoft websites:
  • General information about Windows Workflow Foundation (http://msdn.microsoft.com/en-us/library/dd489441.aspx)
  • Samples of Windows Workflow Foundation (http://msdn.microsoft.com/en-us/netframework/aa663328.aspx)