What is CTS?
As we are aware, the .Net framework supports various programming languages such as C#, VB.Net, F#, J#, and others. Each of these programming languages comes with its own set of data types, making it challenging for one language to understand the data types used in another.
Let's consider a scenario where we want to write a program in C# and call it in VB.Net. In such a situation, the question arises about how the code will be executed smoothly when the data types differ between the two languages.
To ensure seamless communication and compatibility, there exists a Common Type System (CTS). The CTS ensures that types defined in different languages are compiled into a single common type, facilitating effective communication between languages.
The responsibility of converting code into a common data type, which is CLR-owned, lies with the Common Language Runtime (CLR). For example, suppose we declare a variable in C# as follows: 'int amount = 100;' and in VB.Net, it would be declared as 'Dim amount As Integer = 100'. In this case, the CLR converts both of these data types into int32 using the CTS.
In summary, the presence of the Common Type System allows for smooth interoperability between different .Net languages by converting the respective language-specific data types into a common data type owned by the CLR. This ensures effective communication and seamless execution across various programming languages in the .Net framework.
During the compilation process, all language-specific data types are transformed into the Common Language Runtime (CLR) data type. This standardized data type system, shared by all .Net programming languages, is referred to as the Common Type System (CTS).