Difference between long and int in C#?

Question

What is the actual difference between a long and an int in C#? I understand that in C/C++ long would be 64bit on some 64bit platforms(depending on OS o

Answer 1

int is 32 bits in .NET. long is 64-bits. That is guaranteed. So, no, an int can't hold a long without losing data.

There's a type whose size changes depending on the platform you're running on, which is IntPtr (and UIntPtr). This could be 32-bits or 64-bits.