Use fixed to put address of value into a pointer : Pointer « unsafe « C# / CSharp Tutorial

C# / CSharp Tutorial 1.  Language Basics 2.  Data Type 3.  Operator 4.  Statement 5.  String 6.  struct 7.  Class 8.  Operator Overload 9.  delegate 10.  Attribute 11.  Data Structure 12.  Assembly 13.  Date Time 14.  Development 15.  File Directory Stream 16.  Preprocessing Directives 17.  Regular Expression 18.  Generic 19.  Reflection 20.  Thread 21.  I18N Internationalization 22.  GUI Windows Forms 23.  2D 24.  Design Patterns 25.  Windows 26.  XML 27.  ADO.Net 28.  Network 29.  Directory Services 30.  Security 31.  unsafe Java Java Tutorial Java Source Code / Java Documentation Java Open Source Jar File Download Java Articles Java Products Java by API C# / C Sharp ASP.Net JavaScript DHTML JavaScript Tutorial JavaScript Reference HTML / CSS HTML CSS Reference C / ANSI-C C Tutorial C++ C++ Tutorial PHP Python SQL Server / T-SQL SQL Server / T-SQL Tutorial Oracle PL / SQL Oracle PL/SQL Tutorial PostgreSQL SQL / MySQL MySQL Tutorial VB.Net VB.Net Tutorial Flash / Flex / ActionScript VBA / Excel / Access / Word Microsoft Office PowerPoint 2007 Tutorial Microsoft Office Excel 2007 Tutorial Microsoft Office Word 2007 Tutorial

C# / CSharp Tutorial » unsafe » Pointer   31. 3. 4. Use fixed to put address of value into a pointer using System;    class MyClass {    public int num;    public MyClass(int i) { num = i; }  }    class FixedCode {    unsafe public static void Main() {      MyClass o = new MyClass(19);        fixed (int* p = &o.num) {           Console.WriteLine("Initial value of o.num is " + *p);            *p = 10; // assign the to count via p              Console.WriteLine("New value of o.num is " + *p);      }    }  } Initial value of o.num is 19 New value of o.num is 10 31. 3. Pointer 31. 3. 1.  Declaring a Pointer 31. 3. 2.  IntPtrs and unsafe bit-twiddling 31. 3. 3.  The & is a unary operator that returns the memory address of its operand 31. 3. 4.  Use fixed to put address of value into a pointer 31. 3. 5.  Demonstrate the effects of pointer arithmethic 31. 3. 6.  An array name with an index yields a pointer to the start of the array 31. 3. 7.  Index pointer 31. 3. 8.  Pointer arithmetic 31. 3. 9.  Get a pointer to the start of a string and display the contents of string via pointer 31. 3. 10.  Pointer of a pointer 31. 3. 11.  Assign value of myInt using pointer 31. 3. 12.  Safe Swap 31. 3. 13.  Unsafe swap

w_w___w_._j__a__v_a_2s_.c___om__ | Contact Us

Copyright 2003 - 08 Demo Source and Support. All rights reserved.

All other trademarks are property of their respective owners.