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		<title>Visual C++ .NET/Class/value class - История изменений</title>
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		<updated>2026-04-30T02:53:14Z</updated>
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		<id>http://nfex.ru/index.php?title=Visual_C%2B%2B_.NET/Class/value_class&amp;diff=3584&amp;oldid=prev</id>
		<title> в 15:31, 26 мая 2010</title>
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				<updated>2010-05-26T15:31:02Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Версия 15:31, 26 мая 2010&lt;/td&gt;
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	<entry>
		<id>http://nfex.ru/index.php?title=Visual_C%2B%2B_.NET/Class/value_class&amp;diff=3585&amp;oldid=prev</id>
		<title>Admin: 1 версия</title>
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				<updated>2010-05-26T12:05:30Z</updated>
		
		<summary type="html">&lt;p&gt;1 версия&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;==Value class==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
&amp;lt;source lang=&amp;quot;csharp&amp;quot;&amp;gt; &lt;br /&gt;
#include &amp;quot;stdafx.h&amp;quot;&lt;br /&gt;
using namespace System;&lt;br /&gt;
value class Coord3D{&lt;br /&gt;
public:&lt;br /&gt;
    double x;&lt;br /&gt;
    double y;&lt;br /&gt;
    double z;&lt;br /&gt;
    Coord3D (double x, double y, double z)&lt;br /&gt;
    {&lt;br /&gt;
        this-&amp;gt;x = x;&lt;br /&gt;
        this-&amp;gt;y = y;&lt;br /&gt;
        this-&amp;gt;z = z;&lt;br /&gt;
    }&lt;br /&gt;
    String^ Write()&lt;br /&gt;
    {&lt;br /&gt;
        return String::Format(&amp;quot;{0},{1},{2}&amp;quot;, x, y, z);&lt;br /&gt;
    }&lt;br /&gt;
};&lt;br /&gt;
void main()&lt;br /&gt;
{&lt;br /&gt;
    Coord3D coordA;&lt;br /&gt;
    Coord3D coordB(1,2,3);&lt;br /&gt;
    coordA = coordB;  &lt;br /&gt;
    coordA.x += 5.5; &lt;br /&gt;
    coordA.y *= 2.7;&lt;br /&gt;
    coordA.z /= 1.3;&lt;br /&gt;
    Console::WriteLine(coordB.Write());&lt;br /&gt;
    Console::WriteLine(coordA.x);&lt;br /&gt;
    Console::WriteLine(coordA.y);&lt;br /&gt;
    Console::WriteLine(coordA.z);&lt;br /&gt;
}&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;/source&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==value class address==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
&amp;lt;source lang=&amp;quot;csharp&amp;quot;&amp;gt; &lt;br /&gt;
#include &amp;quot;stdafx.h&amp;quot;&lt;br /&gt;
using namespace System;&lt;br /&gt;
value class MyClass{&lt;br /&gt;
   int i, j;&lt;br /&gt;
   public:&lt;br /&gt;
   void PrintStartingAddress()&lt;br /&gt;
   {&lt;br /&gt;
      interior_ptr&amp;lt;MyClass&amp;gt; ptr_to_this = this;&lt;br /&gt;
      pin_ptr&amp;lt;MyClass&amp;gt; pinned_this = ptr_to_this;&lt;br /&gt;
      Console::WriteLine(&amp;quot;Starting address of object is 0x{0:x}&amp;quot;,reinterpret_cast&amp;lt;int&amp;gt;(pinned_this));&lt;br /&gt;
   }&lt;br /&gt;
};&lt;br /&gt;
int main()&lt;br /&gt;
{&lt;br /&gt;
   MyClass v;&lt;br /&gt;
   v.PrintStartingAddress();&lt;br /&gt;
}&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;/source&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==value class demo==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
&amp;lt;source lang=&amp;quot;csharp&amp;quot;&amp;gt; &lt;br /&gt;
#include &amp;quot;stdafx.h&amp;quot;&lt;br /&gt;
value class MyClass&lt;br /&gt;
{&lt;br /&gt;
   private:&lt;br /&gt;
      array&amp;lt;double&amp;gt;^ pos;  // declare the managed array&lt;br /&gt;
      unsigned int a;&lt;br /&gt;
      unsigned int b;&lt;br /&gt;
   public:&lt;br /&gt;
       void Initialize()&lt;br /&gt;
       {&lt;br /&gt;
       }&lt;br /&gt;
};&lt;br /&gt;
void main(void)&lt;br /&gt;
{&lt;br /&gt;
   int n_atoms = 50;&lt;br /&gt;
   array&amp;lt;MyClass&amp;gt;^ atoms = gcnew array&amp;lt;MyClass&amp;gt;(n_atoms);&lt;br /&gt;
&lt;br /&gt;
   for (int i = 0; i &amp;lt; n_atoms; i++)&lt;br /&gt;
   {&lt;br /&gt;
       atoms[i].Initialize( /* ... */ );&lt;br /&gt;
   }&lt;br /&gt;
}&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;/source&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==value class type==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
&amp;lt;source lang=&amp;quot;csharp&amp;quot;&amp;gt; &lt;br /&gt;
#include &amp;quot;stdafx.h&amp;quot;&lt;br /&gt;
value class MyClass&lt;br /&gt;
{&lt;br /&gt;
   public:&lt;br /&gt;
   property double MyDouble&lt;br /&gt;
   {&lt;br /&gt;
      double get();&lt;br /&gt;
   }&lt;br /&gt;
};&lt;br /&gt;
double MyClass::MyDouble::get()&lt;br /&gt;
{&lt;br /&gt;
   return 0;&lt;br /&gt;
}&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Admin</name></author>	</entry>

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