internal RenderMode?GetRenderMode(RenderContext context) { var renderBind = GetBinding(nameof(Render)); if (renderBind == null && Render == null) { return(null); } if (renderBind != null) { var rm = context.CalcDataModelExpression(renderBind.Path); if (rm is String rmString) { if (Enum.TryParse <RenderMode>(rmString, out RenderMode rmResult)) { return(rmResult); } throw new XamlException($"Invalid RenderMode '{rmResult}', Expected 'Show', 'Hide', 'ReadOnly' or 'Debug'"); } else if (rm is Boolean rmBool) { return(rmBool ? RenderMode.Show : RenderMode.Hide); } } else if (Render != null) { return(Render); } return(null); }