Hi,
I copied your code in a new project and it worked perfectly in a C# and a VB application. The "this is a string" appeared in the ListBox.
I created issue https://wpftoolkit.codeplex.com/workitem/20859 to attach my project.
I copied your code in a new project and it worked perfectly in a C# and a VB application. The "this is a string" appeared in the ListBox.
I created issue https://wpftoolkit.codeplex.com/workitem/20859 to attach my project.