message: forgot all return paths to _FillRectangle.
diff: @@ -174,6 +174,8 @@ using namespace Microsoft::Console::Render;
  const D2D1_RECT_F rect = D2D1::RectF(x, y, x + width, y + thickness);
  drawingContext->renderTarget->FillRectangle(&rect, brush);
  +
  + return S_OK;
  }
  // Routine Description:
  