urlcreatefrompath (shlwapi)
Last changed: -65.219.124.65

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Summary
Converts a Windows file/path to a URL

C# Signature:

    [DllImport("shlwapi.dll", CharSet=CharSet.Auto)]
    static extern int UrlCreateFromPath(
    [In]     string path,
    [Out]    StringBuilder url,
    [In,Out] ref uint urlLength,
    [In]     unit reserved
    );

VB Signature:

Declare Function UrlCreateFromPath Lib "shlwapi.dll" (TODO) As TODO

User-Defined Types:

None.

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

The return string size will be INTERNET_MAX_URL_LENGTH (defined in wininet.h) or smaller.

Tips & Tricks:

Please add some!

Sample Code:

    [STAThread]
    static void Main(string[] args)
    {
      Console.Write(@"Enter filename: ");
      string filename = Console.ReadLine();
      Console.WriteLine(UrlFromPath(filename));

      Console.Read();
    }

    private static string UrlFromPath(string filepath)
    {
      uint maxLen=2048+32+3;//see INTERNET_MAX_URL_LENGTH
      StringBuilder url = new StringBuilder((int)maxLen);
      UrlCreateFromPath(filepath,url,ref maxLen,0);
      return url.ToString();
    }

Documentation