Bug 46824 ControlExample: scrolling Canvas leaves screencheese
N20031114 - start ControlExample and open the canvas tab - scroll the canvas until the number is partially outside the view - scroll number number back into the view Observe: the number is redrawn incorrectly
examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/CanvasTab.java
SWT.COLOR_CYAN,
		SWT.COLOR_DARK_RED,
		SWT.COLOR_DARK_GREEN,
		SWT.COLOR_DARK_BLUE,
		SWT.COLOR_DARK_MAGENTA,
		SWT.COLOR_DARK_YELLOW,
		SWT.COLOR_DARK_CYAN
	};
	
	
	Canvas canvas;
	Group canvasGroup;
	
	Button horizontalButton, verticalButton, noBackgroundButton, noFocusButton, noMergePaintsButton, noRedrawResizeButton;
	
	Button caretButton, fillDamageButton;
	int paintCount;
	int cx, cy;
	int maxX, maxY;
	
	/**
	 * Creates the Tab within a given instance of ControlExample.
	 */
	CanvasTab(ControlExample instance) {
		super(instance);
	}
	
	/**
	 * Creates a bitmap image. 
	 */