Programming

As you might know already, an object is immutable if its state doesn’t change once it has been created. In C# the most used immutable type is string, this means every time you modify the value of a string variable you are actually creating a new string object and updating the reference of the variable …

.Net Tips – making a serializable immutable struct Read More »

enum is a tremendously useful structure in C#, but when defining a new enum there is one thing you should always ask yourself: What should the default value be for my enum? The problem with default value is that enum is really an int underneath, and as do all integers in C# an enum has …

.Net Tips – marking the default enum value ‘Undefined’ Read More »

If you’re reading this then you should already know what an enum is in C# and that the underlying type of an enum element is int and you can convert between int and enum using casting: However, sometimes you want to convert an enum element to and from strings instead of ints because: they’re more …

.Net Tips – converting between Enum and string Read More »

Runtime type conversion is something we all have to do from time to time, and in C#, type conversion is usually done using either the as keyword or casting. Here’s a quick glance of how the two approaches differ: Null reference Conversion failure User-defined conversion Performance as Null Null Ignored Fast casting Null Exception Used …

.Net Tips – using as vs casting in C# Read More »

In C#, there are two ways for you to declare a constant variable, you can either declare the variable as readonly, or const: readonly A variable declared with the readonly modifier can only be assigned as part of the declaration or in the class’s constructor: const A variable declared with the const modifier must be …

.Net Tips – using readonly vs const in C# Read More »