mirror of https://github.com/swig/swig
67 lines
2.2 KiB
C#
67 lines
2.2 KiB
C#
// This example illustrates how C++ classes can be used from C# using SWIG.
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// The C# class gets mapped onto the C++ class and behaves as if it is a C# class.
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using System;
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public class runme
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{
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static void Main()
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{
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// ----- Object creation -----
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Console.WriteLine( "Creating some objects:" );
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using (Square s = new Square(10))
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using (Circle c = new Circle(10))
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{
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Console.WriteLine( " Created circle " + c );
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Console.WriteLine( " Created square " + s );
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// ----- Access a static member of a nested class -----
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Console.WriteLine( "\nA total of " + Shape.Counter.nshapes + " shapes were created" );
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// ----- Member data access -----
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// Notice how we can do this using functions specific to
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// the 'Circle' class.
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c.x = 20;
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c.y = 30;
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// Now use the same functions in the base class
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Shape shape = s;
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shape.x = -10;
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shape.y = 5;
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Console.WriteLine( "\nHere is their current position:" );
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Console.WriteLine( " Circle = (" + c.x + " " + c.y + ")" );
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Console.WriteLine( " Square = (" + s.x + " " + s.y + ")" );
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// ----- Call some methods -----
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Console.WriteLine( "\nHere are some properties of the shapes:" );
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Shape[] shapes = {c,s};
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// for (int i=0; i<shapes.Size; i++)
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for (int i=0; i<2; i++)
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{
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Console.WriteLine( " " + shapes[i].ToString() );
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Console.WriteLine( " area = " + shapes[i].area() );
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Console.WriteLine( " perimeter = " + shapes[i].perimeter() );
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}
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// Notice how the area() and perimeter() functions really
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// invoke the appropriate virtual method on each object.
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// ----- Delete everything -----
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Console.WriteLine( "\nGuess I'll clean up now" );
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}
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// Note: when this using scope is exited the C# Dispose() methods
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// are called which in turn call the C++ destructors
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Console.WriteLine( Shape.Counter.nshapes + " shapes remain" );
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Console.WriteLine( "Goodbye" );
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}
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}
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