How to change variable value depending on architecture

Question

Title is clear: how can I change a value in C# depending on destination architecture? In particular, I want to change a string depending on x86 or x64. Many Thanks!

Edit: I need to check if an x64 Office version is installed if my application is x64 too.

No, question and title are not clear. Change a string from what to what? — Henk Holterman, Commented Jul 17, 2013 at 21:14
What do you want to do if you're running on a 32-bit CLR but on an x64 processor? — Jon Skeet, Commented Jul 17, 2013 at 21:20
Ok, Thanks! Environment.Is64BitProcess works. I didn't know there were such a simple possibility to "read" that. Thank you again. — LivingSilver94, Commented Jul 17, 2013 at 21:23

It'sNotALie. · Accepted Answer · 2013-07-17 21:18:10Z

2

This should get you what you're looking for:

 string platform = IntPtr.Size == 4 ? "x86" : "x64";

answered Jul 17, 2013 at 21:18

It'sNotALie.

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Sriram Sakthivel · Accepted Answer · 2013-07-17 21:27:38Z

0

Environment.Is64BitProcess should do the trick

answered Jul 17, 2013 at 21:27

Sriram Sakthivel

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The simplest way. I'm a newbie, APIs are still not well known to me.
– LivingSilver94
Commented Jul 17, 2013 at 21:30

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Community · Accepted Answer · 2017-05-23 12:05:29Z

0

You can use IntPtr.Size

string foobar = String.Empty;

if (IntPtr.Size == 4) //32-bit
    foobar = "foo";
else if (IntPtr.Size == 8) //64-bit
    foobar = "bar";

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