How to show dialague form to mainwindow form in Qt

[Tannyveer]

Ha
I am struck to develop my app in qt.
I want to show from dailague form to mainwindow form. i used mainwindow obj and type the obj.show() cannot work for me.

code :
void wecome::on_pushButton_clicked()
{
MainWindow w;
w.show();
}

[butterface]

For the code please use the code tags.

What do you want to do? What does work, what does not?

[dheerendra]

Try this.

MainWindow *w = new MainWindow;
w->show();