p2.add(exit); p2.add(dialog);

exit.addActionListener(this);

dialog.addActionListener(this);

pack();

show();

//setVisible(true);}

public static void main(String args[]) {

new LX5_10();}

public void actionPerformed(ActionEvent e) {

if (e.getSource()==exit)

System.exit(0);

else {

MyDialog dlg=new MyDialog(this, true);

dlg.show();}

}

class MyDialog extends Dialog implements ActionListener {

Label label1=new Label("请输入行数");

Label label2=new Label("请输入列数");

TextField rows=new TextField(50);

TextField columns=new TextField(50);

Button OK=new Button("确定");

Button Cancel=new Button("取消");

MyDialog(LX5_10 parent, boolean modal) {

super(parent,modal);

setTitle("自定义对话框");

setSize(260,140);

setResizable(false);

setLayout(null);

add(label1);

add(label2);

label1.setBounds(50,30,65,20);

label2.setBounds(50,60,65,20);

add(rows);

add(columns);

rows.setText(Integer.toString(ta.getRows()));

columns.setText(Integer.toString(ta.getColumns()));

rows.setBounds(120,30,90,20);

columns.setBounds(120,60,90,20);

add(OK);

add(Cancel);

OK.setBounds(60,100,60,25);

Cancel.setBounds(140,100,60,25);

OK.addActionListener(this);

Cancel.addActionListener(this);}