ProjectElementContainer.AppendChild Method (ProjectElement)
Appends the child element as the last child of this project container.
MSBuild is now included in Visual Studio instead of the .NET Framework. You can use MSBuild 12.0 side-by-side with versions previously deployed with the .NET Framework.For more information, see What's New in MSBuild 12.0.
Assembly: Microsoft.Build (in Microsoft.Build.dll)
Throws an exception if this project container is not parented, or if the child element is already parented, or if the child element was created by a different ProjectRootElement.