Modal dialog does not close until function finish

Question

Hello
I am a modal dialog (yes/no buttons). When user selects YES, a function is executed. My problem is: Dialogo does not close until function finish.
Many thanks for your help.
This is the call to show modal dialog:
boolean myRes;
dlgYesNo.setTitle(" SINCRONIZE");
dlgYesNo.setPreguntaUp("�Do you want to sincronize?");
dlgYesNo.show();
myRes = dlgYesNo.respDialogo();
if (!myRes) return; // User selects NO
sincronizeData(); //MODAL DIALOG DOES NOT CLOSE UNTIL THIS FUNCTION FINISH!!!
This is the class to create modal dialog:
public class DialogoYesNo extends java.awt.Dialog {
/** Creates new form DialogoYesNo */
public DialogoYesNo(java.awt.Frame parent, boolean modal) {
super(parent, modal);
initComponents();
this.setSize(200,125);
this.setResizable(false);
Dimension d = this.getToolkit().getScreenSize();
this.setLocation((d.width-getSize().width)/2, (d.height-getSize().height)/2);
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
private void initComponents() {
btYes = new java.awt.Button();
lblDialogCentro = new java.awt.Label();
lblDialogUp = new java.awt.Label();
btNo = new java.awt.Button();
lblDialogDown = new java.awt.Label();
setLayout(null);
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(java.awt.event.WindowEvent evt) {
closeDialog(evt);
btYes.setLabel("Si");
btYes.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btYesActionPerformed(evt);
add(btYes);
btYes.setBounds(30, 80, 60, 24);
lblDialogCentro.setAlignment(java.awt.Label.CENTER);
lblDialogCentro.setText("a");
add(lblDialogCentro);
lblDialogCentro.setBounds(10, 40, 180, 20);
lblDialogUp.setAlignment(java.awt.Label.CENTER);
add(lblDialogUp);
lblDialogUp.setBounds(10, 30, 180, 20);
btNo.setLabel("No");
btNo.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btNoActionPerformed(evt);
add(btNo);
btNo.setBounds(110, 80, 60, 24);
lblDialogDown.setAlignment(java.awt.Label.CENTER);
add(lblDialogDown);
lblDialogDown.setBounds(10, 50, 180, 20);
pack();
private void btYesActionPerformed(java.awt.event.ActionEvent evt) {
// Add your handling code here:
respuesta = true;
setVisible(false);
dispose();
private void btNoActionPerformed(java.awt.event.ActionEvent evt) {
// Add your handling code here:
respuesta = false;
setVisible(false);
dispose();
/** Closes the dialog */
private void closeDialog(java.awt.event.WindowEvent evt) {
// Add your handling code here:
* @param args the command line arguments
public static void main(String args[]) {
new DialogoYesNo(new java.awt.Frame(), true).show();
public void setPreguntaUp(String p){       
lblDialogUp.setVisible(true);
lblDialogDown.setVisible(true);
lblDialogCentro.setVisible(false);
lblDialogUp.setText(p);
public void setPreguntaDown(String p){
lblDialogUp.setVisible(true);
lblDialogDown.setVisible(true);
lblDialogCentro.setVisible(false);
lblDialogDown.setText(p);
public void setPreguntaCentro(String p){
lblDialogUp.setVisible(false);
lblDialogDown.setVisible(false);
lblDialogCentro.setVisible(true);
lblDialogCentro.setText(p);
public void centrarPantalla(){
Dimension d = this.getToolkit().getScreenSize();
this.setLocation((d.width-getSize().width)/2, (d.height-getSize().height)/2);
public boolean respDialogo(){
return respuesta;
// Variables declaration - do not modify
private java.awt.Button btNo;
private java.awt.Label lblDialogCentro;
private java.awt.Button btYes;
private java.awt.Label lblDialogUp;
private java.awt.Label lblDialogDown;
// End of variables declaration
private boolean respuesta = false;
}

Answer 1

Hello
This case works fine using following line to execute code after modal dialog:
new Thread(new Runnable(){ public void run() { netCodeFunction(); }}).start();
Regards