Microsoft.VisualStudio.Project.BuildDependency.get_ReferredProject C# (CSharp) Method

        public virtual int get_ReferredProject(out object unknownProject)
        {
            unknownProject = null;

            unknownProject = this.GetReferencedHierarchy();

            // If we cannot find the referenced hierarchy return S_FALSE.
            return (unknownProject == null) ? VSConstants.S_FALSE : VSConstants.S_OK;
        }