Dialog - changing background color

[romanca...@gmail.com]

Hi! i tryng to change a Dialog's background keeping the borders rounded. i make the following aproach (see image) but remains a white border on top.

its possible to set the color for the whole dialog?

my code is:

        dlg.getContentPane().setUIID("GroupExpanderButtonNaranja");
        dlg.getContentPane().getStyle().setMargin(0, 0, 0, 0);
        dlg.getContentPane().getStyle().setPadding(0, 0, 0, 0);

        Container cntAreaButton = new Container();
        cntAreaButton.setLayout(new BorderLayout());
        Button btnCerrar = new Button();
        btnCerrar.setIcon(statResources.getImage("boton_cerrar.png"));
        btnCerrar.addActionListener((l) ->
        {
            dlg.dispose();
        });
        cntAreaButton.add(BorderLayout.EAST, btnCerrar);
       
        dlg.getContentPane().setLayout(new BorderLayout());
        dlg.add(BorderLayout.NORTH, cntAreaButton);
        dlg.getContentPane().add(BorderLayout.CENTER, parContenido);

       
        dlg.showModeless();




If you are experiencing an issue please mention the full platform your issue applies to:
IDE: NetBeans/Eclipse/IDEA
Desktop OS
Simulator
Device

[Shai Almog]

Hi,
try defining the theme constant:
hideEmptyTitleBool=true

[romanca...@gmail.com]

Nothing :(

[Shai Almog]

Try dlg.getTitleComponent().setUIID("Container");

[Shai Almog]

You can also open the component inspector and look at the elements and their UIID's. You can edit the UIID values to see which UIID is causing this.