Bug 94437 add "Columns Reorderable" checkbox to ControlExample's Table tab
examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/TableTab.java
if (oldColor != null) oldColor.dispose();
		oldColor = itemBackgroundColor;
		itemBackgroundColor = null;
		setItemBackground ();
		if (oldColor != null) oldColor.dispose();
		Font oldFont = font;
		itemFont = null;
		setItemFont ();
		setExampleWidgetSize ();
		if (oldFont != null) oldFont.dispose();
	}
	
	/**
	 * Sets the background color of TableItem [0].
	 */
	void setItemBackground () {
		table1.getItem (0).setBackground (itemBackgroundColor);
		
		Color color = itemBackgroundColor;
		if (color == null) color = table1.getItem (0).getBackground ();
		drawImage (itemBackgroundImage, color);
		itemBackgroundButton.setImage (itemBackgroundImage);
	}
	
	/**
	 * Sets the foreground color of TableItem [0].
	 */
	void setItemForeground () {
		table1.getItem (0).setForeground (itemForegroundColor);