... using them. In VS2010 to stop Visual Studio generating PIA files simply set the Embed Interop Types property to True in Solution Explorer. Variance Variance has changed in .NET 4.0. At the 2008 ... mentioning is that you no longer need PIA files. In previous versions of Visual Studio, when a COM component was referenced, Visual Studio would create an additional assembly to describe the COM DLL ... big an issue): Dim numbers() As Integer = {1, 2, 3, 4, 5} Dim query = from n in numbers _ Select n _ Where n> ;5 In .NET 4.0, in the majority of situations, this will no longer be...