how to check file version to meet the requirement needed to run my tool

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Good day!

I have to a check a file before running my tool. The file to be check is in "c:\code\example.dll". This file has a version of 1.0.21.20

The minimum requirement to run my Tool is version 1.0.20.1. So the given file above pass the requirement to run my tool. And the Tool will run. What if the file version above is below the requirement. Example version 1.0.19.1 so the tool will not run.

How to execute that in C# and if the requirement did not pass, I want to display the requirement needed to run my Tool.

looking forward.

yepey!
-novice in C#-

Posted 11-May-11 22:19pm

Eustass Kid

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jcosep 12-May-11 4:39am

please clarify your question

2 solutions

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Sergey Alexandrovich Kryukov · Answer 1 · 2011-05-12T08:58:00

The answer based on file version information is incomplete. There is also assembly version.
File version and assembly version can be different. It's the best to build versioning strategy around assembly versions, not file versions.

Please see my recent answer to this question:
Checking file if it is compatible in the system used[^].

—SA

Manish Ranjan Kumar · Answer 2 · 2011-05-11T22:26:00

Solution 1

You can use below code to check that

MSIL

System.Diagnostics.FileVersionInfo fileVersionInfo = System.Diagnostics.FileVersionInfo.GetVersionInfo(@"C:\msdia80.dll");
            //Check Version
            if(fileVersionInfo.FileVersion == "Some Conditition")

Posted 11-May-11 22:26pm

Manish Ranjan Kumar

Comments

Eustass Kid 12-May-11 4:32am

thank you for giving me the above solution. And I will be glad more if you will include the whole code in order to run that code.

Thank you again.

Manish Ranjan Kumar 12-May-11 4:43am

static class Program
{
///

/// The main entry point for the application.
///

[STAThread]
static void Main()
{
var str = "c:\\windows\\explorer.exe";
System.Diagnostics.FileVersionInfo fileVersionInfo = System.Diagnostics.FileVersionInfo.GetVersionInfo(str);
//Check Version
if(fileVersionInfo.FileMajorPart != 5 )
{
return;
}

Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
}

Use this peace of code.

jcosep 12-May-11 4:44am

don't give the code his taking advantage! haha

Eustass Kid 12-May-11 5:00am

thank you for sharing that man...I'm really thankful. :)

BobJanova 12-May-11 5:42am

Correct, and also, Version supports comparisons (> and <) so you can do something like
Version testVersion = new Version(1, 0, 20, 1);
if(fileVersion < testVersion){
// fail
}

Sergey Alexandrovich Kryukov 12-May-11 15:01pm

Not exactly -- it rather needs assembly version.
Please see my answer, more complete.
--SA

BobJanova 12-May-11 15:37pm

Oh, you are correct, sorry, I didn't read what I was replying to carefully enough!

Sergey Alexandrovich Kryukov 12-May-11 15:00pm

The answer is good but incomplete. More important is assembly version, not file version.
Please see my answer.
--SA