How I can know programmatically what platform the code is running under?

Question

How i can know from the code if i run under x86 OS or under x64 OS .

Thanks for help.

Answer 1

You can use the following Environment properties:

System.Environment.Is64BitOperatingSystem

System.Environment.Is64BitProcess

Update

For platforms previous to .Net 4.0, the following can be used to implement the above functionality:

How to detect Windows 64-bit platform with .NET?

Answer 2

bool is64bit = IntPtr.Size == 8;