displayproperties.java

来自「Thinking in JAVA第四版源代码」· Java 代码 · 共 24 行

//: swt/DisplayProperties.java
import org.eclipse.swt.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.layout.*;
import java.io.*;

public class DisplayProperties {
  public static void main(String [] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Display Properties");
    shell.setLayout(new FillLayout());
    Text text = new Text(shell, SWT.WRAP | SWT.V_SCROLL);
    StringWriter props = new StringWriter();
    System.getProperties().list(new PrintWriter(props));
    text.setText(props.toString());
    shell.open();
    while(!shell.isDisposed())
      if(!display.readAndDispatch())
        display.sleep();
    display.dispose();
  }
} ///:~