How to adjust TPanel transparency?

Question

When placing the TPanel component in the designer, it seems that it cannot be made transparent ? There is an opacity option, but this only happens with the animation. I want the panel to be completely transparent, so I see the image below it. (I want to use the panel as a way to control the layout of the controls placed on it)

Answer 1

Use TLayout or TRectangle instead of TPanel.

Answer 2

To do this, you can use almost any opacity of the object, for example:

 Panel1->Opacity=0.5;