TestApi v0.3 The WPF test team has recently released a new version of TestApi! This version includes libraries for fault injection, combinatorial varitation generation, new application control APIs, and updated tests and documentation. I think all...

Intro Previously I did a post on the “Control Local Values bug” and how a subtle bug can be introduced when setting dependency properties of controls to local values. In WPF 4.0 (dev10), a mechanism was added to the property engine to solve this problem...

As many of you probably already know, dev10 beta1 is available for public download. Some of the additions to Beta1 on the WPF Controls side include: · MultiTouch · EasingFunctions for animations · DataGrid, Calendar, DatePicker, and VisualStateManager...

The WPF team has just released an MVVM Toolkit which contains an overview and walkthrough of the MVVM pattern, a full Messenger sample app using MVVM, as well as a Visual Studio template for MVVM. The template creates a WPF application with folders for...

The WPF test team is hard at work to provide value through a simple and componetized library of public test APIs. The WPF TestAp i library has just released a v0.2 which includes new visual verification features, command line parsing features, an auomated...

1. DataGridColumn.SortDirection does not actually sort the column. DataGridColumn.SortDirection is used to queue the visual arrow in the DataGridColumnHeader to point up, down, or to not show. To actually sort the columns other than clicking on the...

Launching a custom dialog for editing on the DataGrid is another somewhat common request that I see from the discussion list . I thought I would provide a sample but at the same time implement it with the MVVM pattern. The requirement that I will use...

Since the release of the WPF DataGrid there have been several common patterns of questions that developers were asking on the discussion list . I thought that I would capture some of that here so it would be easy to find. I'll also try to keep it as short...

Intro WPF dependency properties are properties that are registered through the WPF property system. By registering with the property system, the property will be provided a set of services such as data binding, styling, change notifications, animation...

An updated version of the WPFToolkit has been released today. This includes some high pri bug fixes which are briefly described in the downloads tab. As a reminder, if you have any questions or find any issues please use the Discussion list and the Issue...

Model-View-ViewModel (MVVM) is one of those really interesting design patterns that are used in WPF. It provides a separation between the UI and business logic and uses data binding techniques to connect them together. Karl Shifflett has some great material...

Scenario By default the WPF DataGrid will commit a row when focus is lost on the row, the ‘Enter’ key is pressed, tabbing to the next row, or programmatically calling commit on the row. Let’s say I want to control how the user commits a row edit by...

The Scenario I want to do a master detail like scenario where the selection in one ComboBox cell will update the list of items in the next ComboBox cell and so on. Setting up the DataSource and ViewModel I will use the Northwind database for...

Our WPF Test team has just released a library of tools that can be leveraged to test WPF applications. What's really cool is that these are utilities that we use internally and now we can push them out to external customers for feedback and usage. The...

The DataGrid walkthrough on windowsclient.net/wpf and the Tips & Tricks section on codeplex talk briefly about the Design-time support for DataGrid. I thought I’d expand on that just a little more so you get a good idea of what you have available...

This sample shows how to create a template for the NewItemPlaceholder to indicate that you can add a new item. This is what it will look like: First I will need to create a new template specifically for the NewItemPlaceholder row. I’ve followed...

Now that the Visual State Manager (VSM) is part of the WPFToolKit, I thought I’d show a basic example of how to utilize VSM with the DataGrid. Some prereq’s and resources: · You can download the toolkit here · Info on getting VSM for WPF to work...

It looks that this is a frequently requested feature and unfortunately didn't make the v1. It is still possible to extend the DataGrid to do so. A community developer has already posted a sample on creating a footer row for the DataGrid here, http://thibaud60...

Intro If you haven't already, you can download the DataGrid v1 bits and source here . DataGridComboBoxColumn has had a make-over since the CTP release. In particular, the whole data binding story has been updated so that you can accomplish basic ComboBox...

Finally, the v1 WPF DataGrid is out! This is an out-of-band release that will be hosted on the WPF CodePlex site and integrated into the WPF Framework in vNext. You can download the bits as well as the source code here . You also may be pleased to hear...

The Reference Source Code Center team has just announced that the WPF 3.5 SP1 sources are now publicly available. You can read about it here, http://blogs.msdn.com/rscc/archive/2008/10/22/wpf-sources-for-net-framework-3-5-sp1-are-available.aspx . The...

Introduction I’m going to talk a little on the editing features of the DataGrid. I will dive deep into a couple things but overall I just want to give you a good idea of the APIs you can work with and how to tweak a couple things. So basically I will...

The WPF Application Quality Guide v0.3 has just released! For more information on it, check out Ivo's blog post here . I especially like the new road map section on the different personas and suggested readings.

On a previous post I talked about how to implement Clipboard.Paste for the DataGrid. The functionality was such that you could only paste to existing rows and cells. I got a customer request on how to paste to new rows so I thought I’d capture it here...

In the v1 release (and CTP) of the WPF DataGrid there will be support for Clipboard.Copy but no support out of the box for Clipboard.Paste. However, there is extensibility support for Clipboard.Paste which I will show how to implement in this post. ...