Graeme Hill's Dev Blog

WPF nullable combo box source code

Star date: 2009.238

Download the code here:

A few months ago I wrote this article on making a nullable combo box control in WPF. I had a bunch of requests to see an actual implementation, so here is a sample Visual Studio 2008 project with the source code for the user control. It basically uses the same technique I described in my previous blog post. All the combo box properties (even the obscure ones no one will ever use) are implemented.