Change background of main window in netbeans platform application

Hi all,
I am developing my application using Netbeans Platform Application. I want to change the default gray background of the main window with any other color in the application. i.e. I want to change the look of main window..How to do it as there is no file or i am not getting the file to change such property... Please help. Thanx in advance.

simply open your class via netbeans, click design button, right click on the frame you want to change color, properties and background

you can set any color you like there, or bind it to another component

or in the constructor of frame you can add

Code:

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this.setBackground(new Color(float1,float2,float3));

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You can do this in code level manually, or using the properties window. Did you check the option in that property window?

Thanks for reply Eranga and bassfero.
I want to change color of Window which is appear when you run the application created in Netbeans Platform Application without including any module in it. This window is having default Menu Bar and Toolbar and simple max,min and close buttons(Netbeans Platform Application is providing all these things). So, can anybody tell me how to do it?

Seems you are talking about the look and feel of the forums and menus, is that right?

If so, read the following.

How to Set the Look and Feel (The Java™ Tutorials > Creating a GUI With JFC/Swing > Modifying the Look and Feel)

Thanks for reply. I will try your solution. Once again thanks

You are welcome. Actually initially I'm confused with your question.