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Creating something from nothing, asynchronously [Developer-friendly virtual file implementation for .NET improved!]

Last week I posted the code for VirtualFileDataObject, an easy-to-use implementation of virtual files for .NET and WPF . This code implements the standard IDataObject COM interface for drag-and-drop and clipboard operations and is specifically targeted
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My new home page, revised [Updated collection of great Silverlight/WPF Data Visualization resources!]

In the time since sharing my last collection of Silverlight/WPF Charting links , there have been some great new articles I'd like to highlight. And in case you haven't heard, we published the October 09 release of the Silverlight Toolkit last week, so

Creating something from nothing [Developer-friendly virtual file implementation for .NET!]

Have you ever used one of those programs that lets you drag a UI widget, drop it in a folder, and - poof - a file that didn't exist magically appears? Me, too - it's cool! But how does it work? Are they really deferring the work of creating that file
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Two birds, one stone [Silverlight/WPF Data Visualization Development Release 2 and DataVisualizationDemos update]

The October 2009 release of the Silverlight Toolkit came out on Monday and the Data Visualization assembly includes some nice updates. I discussed the details of the new release then and promised to revise my samples to run on the new bits. While I anticipated

Silverlight (and WPF) Data Visualization classes unsealed [Silverlight Toolkit October 2009 release now available!]

We've just published the October 2009 release of the Silverlight Toolkit as part of today's .NET 4 and Visual Studio 2010's Beta 2 release ! One of the big things we've done with this release of the Toolkit is to add rich support for Visual Studio 2010's

Give your computer insomnia [Free tool and source code to temporarily prevent a machine from going to sleep!]

The default power settings for Windows are set up so a computer will go to sleep after 15 to 30 minutes of inactivity (i.e., no mouse or keyboard input). This is great because a computer that's not being used doesn't need to be running at full power.
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If it walks like a duck and talks like a duck, it must be a ... TreeGrid! [A simple, XAML-only TreeGrid UI for WPF]

If you've done much work with WPF or Silverlight, chances are you already know what a TreeView is and what a DataGrid is. You know that a TreeView is good for showing hierarchical data and a DataGrid is good for showing tabular data. But you may not know
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I get by with a little help from my friends [PieSeries annotations trilogy complete!]

Friend and fellow Charting fan Bea Stollnitz has just completed a 3-post series describing how to add annotations to pie charts created by the Data Visualization package that's part of the Silverlight Toolkit and WPF Toolkit . Because annotations are

A preview of upcoming Charting changes [Silverlight/WPF Data Visualization Development Release 1]

It was about two months ago that I posted about Silverlight/WPF Data Visualization Development Release 0 . At the time, I explained how I was hoping to do occasional, out-of-band releases of the Data Visualization assembly that's part of the Silverlight

Get out of the way with the tray ["Minimize to tray" sample implementation for WPF]

"Minimize to tray" is a feature in some applications where minimizing the application removes its taskbar button and replaces it with a (much smaller) notification area icon. Clicking that notification icon restores the application's window - just like
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Using your own code is its own kind of encouragement [How to: Automatically update the widths of ListView columns - updated!]

Some time ago, I blogged about a helper class to automatically adjust the size of the columns of a ListView 's GridView to fit their contents. In my scenario, I was changing the value of the ListView 's ItemsSource property and wanted the columns to update
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Scrolling so smooth like the butter on a muffin [How to: Animate the Horizontal/VerticalOffset properties of a ScrollViewer]

Recently, I got email from two different people with the same question: How do I animate the HorizontalOffset / VerticalOffset properties of a Silverlight/WPF ScrollViewer control? Just in case you've never tried this yourself, I'll tell you that it's
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Simple column labels you can create at home! [Re-Templating the Silverlight/WPF Data Visualization ColumnDataPoint to add annotations]

A customer contacted me over the weekend asking how to add labels (also known as annotations) to a ColumnSeries . My reply was that we don't support annotations in Silverlight/WPF Charting yet, but it's possible to create some pretty simple ones for limited

My new home page, enhanced [Updated collection of great Silverlight/WPF Data Visualization resources!]

In the time since posting my last collection of Silverlight/WPF Charting links , there's been some great activity! Of particular significance, the June 2009 WPF Toolkit includes the same Data Visualization goodness that was introduced for Silverlight

Bringing the Silverlight Toolkit's TreeMap to WPF [Silverlight/WPF Data Visualization Development Release 0]

Now that Data Visualization is part of the Silverlight Toolkit and the WPF Toolkit , it has an official release vehicle for both platforms of interest. This is great because it means that any customers who need to be running signed bits from an official
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