dynamic memory manage in c#

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i want do like that code in c#

C++

node=(struct student *)new(struct student);

node is pointer and i want to do that job

Posted 28-Nov-13 3:04am

Shahrooz Ansari

Updated 28-Nov-13 3:46am

CPallini

v3

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2 solutions

Solution 1

You don't normally use pointers in C# - you can, but only in unsafe code[^] and it is deliberatly difficult to do.

Unless you are passing data between C# and external non-.NET code, or you need serious performance tuning it is a very bad idea. use a reference instead:

C#

Student node = new Student();

And let the system sort it all out for you.

Posted 28-Nov-13 3:22am

OriginalGriff

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Shahrooz Ansari · Accepted Answer · 2013-11-28T03:24:00

Solution 2

C#

using System.Runtime.InteropServices;

C#

node=(student *)Marshal.AllocHGlobal(sizeof(student));

this is exactly what i want and its true

Posted 28-Nov-13 3:24am

Shahrooz Ansari

Comments

johannesnestler 28-Nov-13 10:08am

As OriginalGriff mentioned this is only needed in rare interop scenarios. Are you shure you are not approaching .NET with (C++) thinking? - at least for me that was very common when i came to C# from C++. If no interop is involved: declare studend as "class", it will be a reference type then and all the "pointer" things (dereferencing etc.) are managed in .NET under the hood...

dynamic memory manage in c#

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