Change background color of MDIParent Form in VB.Net

#Region "Change Background Color of MDIParent : bgcolor()"
    'to change the background color of mdiparent
    'for more : http://acomputerengineer.wordpress.com

    Private Sub bgColor()
    Dim child As Control
    For Each child In Me.Controls
        If TypeOf child Is MdiClient Then
            child.BackColor = Color.CadetBlue
        Exit For
        End If
    Next
    child = Nothing
    End Sub
#End Region

Change Background Color using Jslider in Java

This program changes the background color using the three Jslider Red, Green and Blue. it also directly change to three basic color Red, Green, Blue using JpopupMenu using right click.

Here I attach one screenshot of it.

Set background color on mouse click

import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
/*
<applet code="Brighter" width=300 height=400>
</applet>
*/
public class Brighter extends Applet implements MouseListener
{
int i;
Color color;
public void init()
{
color=new Color(i,i,i);
setBackground(color);
addMouseListener(this);
}
public void mouseClicked(MouseEvent me)
{
i+=10;
if(i>255)
{
i=255;

}
color=new Color(i,i,i);
setBackground(color);
repaint();


}
public void mouseEntered(MouseEvent me)
{
}
public void mouseExited(MouseEvent me)
{

}
public void mousePressed(MouseEvent me)
{
}
public void mouseReleased(MouseEvent me)
{
}
}