previewCanvas.setLayoutData( new GridData( GridData.FILL_BOTH ) );
GridData gd = new GridData( GridData.FILL_BOTH ); previewCanvas.setLayoutData( gd );
	private void createPreviewArea( )	{		cmpPreview = ChartUIUtil.createCompositeWrapper( cmpTask );		{			GridData gridData = new GridData( GridData.FILL_BOTH );			gridData.widthHint = CENTER_WIDTH_HINT;			gridData.heightHint = 200;			cmpPreview.setLayoutData( gridData );		}		Label label = new Label( cmpPreview, SWT.NONE );		{			label.setFont( JFaceResources.getBannerFont( ) );			label.setText( Messages.getString( "TaskSelectData.Label.ChartPreview" ) ); //$NON-NLS-1$		}		previewCanvas = new Canvas( cmpPreview, SWT.BORDER );		{			previewCanvas.setLayoutData( new GridData( GridData.FILL_BOTH ) );			previewCanvas.setBackground( Display.getDefault( )					.getSystemColor( SWT.COLOR_WHITE ) );		}	}