Microsoft.VisualStudio.Project.ProjectNode.Close C# (CSharp) Method

        public override int Close()
        {
            int hr = VSConstants.S_OK;
            try
            {
                // Walk the tree and close all nodes.
                // This has to be done before the project closes, since we want still state available for the ProjectMgr on the nodes
                // when nodes are closing.
                try
                {
                    CloseAllNodes(this);
                }
                finally
                {
                    this.Dispose(true);
                }
            }
            catch (COMException e)
            {
                hr = e.ErrorCode;
            }
            finally
            {
                ErrorHandler.ThrowOnFailure(base.Close());
            }

            this.isClosed = true;

            return hr;
        }