A typical WTF :)
Public Sub New(ByVal str As String)
If (str = String.Empty Or str = Nothing Or String.IsNullOrEmpty(str) Or Len(str) = 0) Then
str = ""
End If
Me._str = str
End Sub
Reading my blog list, I found a great post where the author show how to install Visual Studio .NET 2005 templates for WPF/E. Look the installation details, because it requires additional add-ins.