From .NET Geek's Desk

APTCA and Sandboxing

In .NET Framework any code which does not have the FullTrust cannot make calls to a strong named assembly.The strong naming of assemblies is again a requirement to register the same in GAC to be shared by multiple applications.Most of the third party Read More...

.NET Memory Management and GCHandle

GC Handle provides facilities to explicitly control and monitor the lifetime of an object in heap.Whenever an appdomain loads it creates a GC Handle table which maintains a list of pointers and corresponding GC Handle type.The GC Handle can be obtained Read More...

Physical Layout of Data - StructLayout

This week I was taking a close look into various InterOp related stuff for a code review purpose.While doing so the way CLR controls the physical layout of a data structure in memory caught my attention.This is what I intend to discuss here. When we are Read More...

Dependency Injection

As the concept of TDD(Test Driven Development) is growing popular day by day the Dependency Injection (DI) and Inversion of Control (IoC) patterns are also becoming increasingly popular and much discussed about topic.In this post I will share my thoughts Read More...

Lambda Expressions

Before getting details of Lambda expressions let us quickly take a look into how we work with delegates and a named method since the days of .NET 1.1.Let us consider the following code sample //Delegate declaration public delegate void Test(string s); Read More...

String Interning in C#

We all know that string objects are immutable in C# i.e we can only create a new instance of the object we cannot alter or modify them.Let us take a quick look into the following lines of code: static void Main(string[] args) { string s1 = "sankarsan"; Read More...

Object Equality

In this post I will discuss about the very basic concepts related to object equality.Object equality can be of two types Value Equality - Two objects having same value for all the fields Reference Equality - Two instance variables pointing to same reference Read More...

Upcasting and Downcasting in C#

While reviewing code and discussing with developers I have seen in several occasions that people are not very clear or conscious about upcasting and downcasting.In this post I would like to note down the differences between the two. Upcasting means casting Read More...