examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet13.java

/*******************************************************************************
 * Copyright (c) 2000, 2019 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * GC example snippet: draw a thick line
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.widgets.*;

public class Snippet13 {

public static void main(String[] args) {
	Display display = new Display();
	Shell shell = new Shell(display);
	shell.setText("Snippet 13");
	shell.addListener(SWT.Paint, e -> {
		e.gc.setLineWidth(4);
		e.gc.drawRectangle(20, 20, 100, 100);
	});
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
	}
	display.dispose();
}
}