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// Qt# tutorial 4
// Based on the Qt tutorial
// Implemented by Marcus Urban
using System;
using Qt;
public class MyWidget : QWidget {
public MyWidget (QWidget parent, String name) : base (parent, name)
// In C++, parent and name have default values of 0 (null pointer)
{
this.SetMinimumSize (200, 120);
this.SetMaximumSize (200, 120);
QPushButton quit = new QPushButton ("Quit", this, "quit");
quit.SetGeometry (62, 40, 75, 30);
quit.SetFont (new QFont ("Times", 18, QFont.Weight.Bold) );
Connect ( quit, SIGNAL ("clicked()"), qApp, SLOT ("Quit()") );
// In C++, qApp is a global variable. Here it's a property of the QObject
// class, which we inherit, giving the same effect. We also inherit the
// static method connect().
}
public MyWidget (QWidget parent) : this (parent, "") {}
public MyWidget () : this (null, "") {}
// Note that it was necessary to use an empty string ("")
// in the above. Using null does not work at runtime.
}
public class Example {
public static int Main (String[] args)
{
QApplication a = new QApplication (args);
MyWidget w = new MyWidget ();
w.SetGeometry (100, 100, 200, 120);
a.SetMainWidget (w);
w.Show ();
return a.Exec ();
}
}
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