Assembly: Microsoft.VisualStudio.Shell.Interop (in microsoft.visualstudio.shell.interop.dll)
The VSITEMSELECTION structure contains some of the information that makes up the selection context. The selection context is maintained by the Visual Studio environment and is associated with every window. The VSITEMSELECTION data is used to update the Solution Explorer window to reflect the currently active project and project item. The other information in the selection context includes anpointer providing access to information for the Properties window and an array of element values.