System.Runtime.InteropServices 4.0.0 System.Runtime.InteropServices true Microsoft Microsoft http://go.microsoft.com/fwlink/?LinkId=329770 http://go.microsoft.com/fwlink/?LinkID=288859 Provides types that support COM interop and platform invoke services. Commonly Used Types: System.Runtime.InteropServices.GCHandle System.Runtime.InteropServices.GuidAttribute System.Runtime.InteropServices.COMException System.DllNotFoundException System.Runtime.InteropServices.DllImportAttribute Provides types that support COM interop and platform invoke services. Copyright © Microsoft Corporation