public override bool IsValidStartupItem(IProjectItem projectItem)
{
if (this.IsControlLibrary)
{
return(base.IsValidStartupItem(projectItem));
}
ProjectXamlContext projectContext = ProjectXamlContext.GetProjectContext((IProject)this);
if (projectItem != null && projectContext != null)
{
IProjectDocument document = projectContext.GetDocument(DocumentReferenceLocator.GetDocumentLocator(projectItem.DocumentReference));
if (document != null && document.DocumentType == ProjectDocumentType.Page)
{
return(true);
}
}
return(false);
}