Beispiel #1
0
        public override void Show()
        {
            // Declare a class instance "myBox":
            Box myBox = new Box(30.0f, 20.0f);

            // Declare an interface instance "myDimensions":
            IDimensions       myDimensions       = (IDimensions)myBox;
            IMetricDimensions mIMetricDimensions = (IMetricDimensions)myBox;

            // Print out the dimensions of the box:

            /* The following commented lines would produce compilation
             * errors because they try to access an explicitly implemented
             * interface member from a class instance:                   */
            //System.Console.WriteLine("Length: {0}", myBox.Length());
            //System.Console.WriteLine("Width: {0}", myBox.Width());

            /* Print out the dimensions of the box by calling the methods
            *  from an instance of the interface:                         */
            System.Console.WriteLine("Length: {0}", myDimensions.Length());
            System.Console.WriteLine("Width: {0}", myDimensions.Width());

            System.Console.WriteLine("Length: {0}", mIMetricDimensions.Length());
            System.Console.WriteLine("Width: {0}", mIMetricDimensions.Width());
        }
Beispiel #2
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        //This sample demonstrates how to explicitly implement interface members and how to access those members from interface instances.
        static void Main(string[] args)
        {
            // Declare a class instance "myBox":
            Box myBox = new Box(30.0f, 20.0f);

            // Declare an interface instance "myDimensions":
            IDimensions myDimensions = (IDimensions)myBox;

            // Print out the dimensions of the box:

            /* The following commented lines would produce compilation
             * errors because they try to access an explicitly implemented
             * interface member from a class instance:                   */
            //System.Console.WriteLine("Length: {0}", myBox.Length());
            //System.Console.WriteLine("Width: {0}", myBox.Width());

            /* Print out the dimensions of the box by calling the methods
            *  from an instance of the interface:                         */
            System.Console.WriteLine("Length: {0}", myDimensions.Length());
            System.Console.WriteLine("Width: {0}", myDimensions.Width());

            // Declare an instance of the English units interface:
            IEnglishDimensions eDimensions = (IEnglishDimensions)myBox;
            // Declare an instance of the metric units interface:
            IMetricDimensions mDimensions = (IMetricDimensions)myBox;

            // Print dimensions in English units:
            System.Console.WriteLine("Length(in): {0}", eDimensions.Length());
            System.Console.WriteLine("Width (in): {0}", eDimensions.Width());
            // Print dimensions in metric units:
            System.Console.WriteLine("Length(cm): {0}", mDimensions.Length());
            System.Console.WriteLine("Width (cm): {0}", mDimensions.Width());

            Console.Read();
        }
        public static int Main()
        {
            Box         myBox        = new Box(30.0f, 20.0f);
            IDimensions myDimensions = (IDimensions)myBox;
            float       a            = myBox.Length();

            a += myBox.Width();
            a += myDimensions.Length();
            a += myDimensions.Width();
            return((int)a);
        }
Beispiel #4
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        public static void Demo()
        {
            Box myBox = new Box(30.0f, 20.0f);

            IDimensions myDimensions = (IDimensions)myBox; //   <- обр. внимание

            /* Так компилятор выдаст ошибку:                   */
            //System.Console.WriteLine("Length: {0}", myBox.Length());
            //System.Console.WriteLine("Width: {0}", myBox.Width());

            System.Console.WriteLine("Length: {0}", myDimensions.Length());
            System.Console.WriteLine("Width: {0}", myDimensions.Width());
        }
Beispiel #5
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    public static void Main()
    {
        // Объявление экземпляра класса "myBox":
        Box myBox = new Box(30.0f, 20.0f);
        // Объявление экземпляра интерфейса "myDimensions":
        IDimensions myDimensions = (IDimensions)myBox;

        // Печать размеров окна:
        /* Следующие строки комментариев  вызовут ошибки          компиляции, поскольку они пытаются получить доступ к реализованному явным образом         члену интерфейса из экземпляра класса:                   */
        //System.Console.WriteLine("Length: {0}", myBox.Length());
        //System.Console.WriteLine("Width: {0}", myBox.Width());
        /* Печать размеров при помощи вызова методов          из экземпляра интерфейса:                         */
        System.Console.WriteLine("Length: {0}", myDimensions.Length());
        System.Console.WriteLine("Width: {0}", myDimensions.Width());
    }
Beispiel #6
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        public static int Main()
        {
            // Declare a class instance "myBox":
            Box myBox = new Box(30.0f, 20.0f);
            // Declare an interface instance "myDimensions":
            IDimensions myDimensions = (IDimensions)myBox;
            // Interface call through class instance
            float a = myBox.Length();

            a += myBox.Width();
            // Explicit interface method call
            a += myDimensions.Length();
            a += myDimensions.Width();
            return((int)a);
        }
Beispiel #7
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    public static void Main()
    {
        // 声明类实例“myBox”:
        Box myBox = new Box(30.0f, 20.0f);
        // 声明接口实例“myDimensions”:
        IDimensions myDimensions = (IDimensions)myBox;

        // 打印出盒子的尺寸:

        /* 下列注释行将产生编译
         * 错误,因为这些行尝试从类实例访问显式实现的
         * 接口成员:                    */
        //System.Console.WriteLine("Length: {0}", myBox.Length());
        //System.Console.WriteLine("Width: {0}", myBox.Width());

        /* 从接口的实例调用方法,
         * 以打印出盒子的尺寸:                         */
        System.Console.WriteLine("Length: {0}", myDimensions.Length());
        System.Console.WriteLine("Width: {0}", myDimensions.Width());
    }