C#

void example() {
    string[] strings=Environment.GetCommandLineArgs();
    writeStringArray(strings, @"C:\myFolder\myNewFile.txt");
}

void writeStringArray(string[] strings, string fileSpec) {
    // first make sure directory exists
    Directory.CreateDirectory(Path.GetDirectoryName(fileSpec));
    // now create file and write it, making sure it gets closed automatically
    using (StreamWriter sw=new StreamWriter)fileSpec)) {
        foreach(string s in strings) sw.WriteLine(s);
    }
}

patonios wrote:

but if i try it through an external PC in another subnet it doesn't seem to work

patonios wrote:

how can i take my real address (which i guess it's the router's address) that is 85.75.1.3

if (folderBrowserDialog1.SelectedPath == Path.GetDirectoryName(openFileDialog1.FileName)) {}

if(Path.GetDirectoryName(openFileDialog1.FileName) == folderBrowserDialog1.SelectedPath)
{
    //Do something
}

Regards