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46 lines
1.2 KiB
46 lines
1.2 KiB
// Qt# tutorial 5
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// Based on the Qt tutorial
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// Implemented by Marcus Urban
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using System;
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using Qt;
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public class MyWidget : TQVBox {
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public MyWidget (TQWidget parent, String name) : base (parent, name)
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// In C++, parent and name have default values of 0 (null pointer)
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{
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TQPushButton quit = new TQPushButton ("Quit", this, "quit");
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quit.SetFont ( new TQFont ("Times", 18, TQFont.Weight.Bold) );
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TQObject.Connect ( quit, TQT_SIGNAL ("clicked()"), tqApp, TQT_SLOT ("Quit()") );
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TQLCDNumber lcd = new TQLCDNumber (2, this, "lcd" );
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TQSlider slider = new TQSlider (Orientation.Horizontal, this, "slider");
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// Note that Orientation is defined in the Qt class
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slider.SetRange (0, 99);
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slider.SetValue (0);
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Connect ( slider, TQT_SIGNAL ("valueChanged(int)"), lcd, TQT_SLOT ("Display(int)") );
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}
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public MyWidget (TQWidget parent) : this (parent, "") {}
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public MyWidget () : this (null, "") {}
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// Note that it was necessary to use an empty string ("")
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// in the above. Using null does not work at runtime.
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}
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public class Example {
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public static int Main (String[] args)
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{
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TQApplication a = new TQApplication (args);
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MyWidget w = new MyWidget ();
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a.SetMainWidget (w);
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w.Show ();
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return a.Exec ();
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}
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}
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