===Show a custom dialog box===
<code javascript>
var window = new QDialog();
var layout = new QFormLayout(window);
var nameLineEdit = new QLineEdit(window);
var ageSpinBox = new QSpinBox(window);
var buttonBox = new QDialogButtonBox(window);

buttonBox.addButton(QDialogButtonBox.Ok);
buttonBox.addButton(QDialogButtonBox.Cancel);

buttonBox.accepted.connect(window.accept);
buttonBox.rejected.connect(window.reject);

layout.addRow("Name:", nameLineEdit);
layout.addRow("Age:", ageSpinBox);
layout.addRow(buttonBox);

if(window.exec() == QDialog.Accepted)
	MessageBox().setText("Your name is " + nameLineEdit.text + "\nYou are " + ageSpinBox.value + " years old.").showModal();
</code>