What's New in WPF 3.5?
The first version of WPF was released as part of .NET Framework 3.0 in November 2006. On 11/16/2007, we released the second version of WPF, as part of .NET Framework 3.5 (code-named Orcas). We call this WPF 3.5.
WPF 3.5 has a number of exciting new features and a number of product fixes and improvements, quite a few of them reported and suggested by our customers.
For a full list of the new features in .NET Framework 3.5, check out this article on MSDN and this article on WindowsClient.net. Below is a summary of changes and additions in WPF 3.5. Some of the items below are large features, others are small incremental changes.
| WPF 3.5 Feature | Notes |
| WPF Add-Ins | The "Application Model" team responded to a common request by our customers and delivered a new WPF add-in model (based on the new add-in model in .NET 3.5) that allows developers to create visual add-ins. |
| Improved Cookie Support | Support for session cookies and attaching cookies to resource requests. |
| Firefox Plugin | Now, you can run your XBAPs in Firefox. |
| Improvements to XAML Intellisense | |
| RichTextBox hyperlink integration | |
| RichTextBox.EnableEmbeddedElements | |
| Expose text selection on DocumentViewer | |
| Support for Indic text | Support for 15 Indic scripts |
| Dlinq, Xlinq suport | |
| FreezableCollection<T> additions | |
| Improved debuggability in Data | Support for IDataErrorInfo, support for trace levels, etc. |
| ClickOnce file associations | |
| VerboseTextChanged | |
| Newly exposed Setters in Controls | |
| Transition effects in page transitions | |
| IME fixes | Multiple fixes to enable proper IME (input method editor) |
| Serialization of custom TextElements | |
| UIElement3D | UIElement3D extends the 3D feature set in WPF, adding support for input, focus and eventing. Check out this post for more. |
| Performance Improvements | Layered windows performance improvements; Animation smoothing work; Data binding improvements (faster binding from a XML source, improved Blend cold start-up by 11%!); Incremental improvements to cold start, runtime and working set; Incremental improvements to battery life |
| Expose InteropBitmap.Invalidate() | |
| BitmapImage.DecodeFailed event | |
| BitmapImage.BitmapCacheOption | New BitmapImage cache behavior |
| HwndTarget.SetRenderingModel() | A new API to allow a developer to force SW rendering for a given window. |
| PackUri support for SoundPlayerAction |