how to find if a file is open or not

Question

Hi, Can you please tell me if there is a way to find if a file is already open or not?

Raj Kumar · Answer

Code Snippet using System; using System.Management; // Search the processes which have a certain file open class App { public static void Main() { WhoHasThisFileOpen(@"c:\windows\system32\wsock32.dll"); } static void WhoHasThisFileOpen(string objectQry){ SelectQuery query = new SelectQuery("select name from cim_datafile where name ='" + objectQry +"'" ); using(ManagementObjectSearcher searcher = new ManagementObjectSearcher(query)) { foreach (ManagementObject mo in searcher.Get()) { Console.WriteLine("File Name: {0} 
Is currently opened by:", mo.Properties["Name"].Value); // Get processes having this File open foreach (ManagementBaseObject b in mo.GetRelated("Win32_Process")) { ShowProcessProperties(b.ToString()); b.Dispose(); } } } } static void ShowProcessProperties(string objectClass) { using(ManagementObject process = new ManagementObject (objectClass)) { process.Get(); PropertyDataCollection processProperties = process.Properties; Console.WriteLine("ProcessID: {0,6} 	CommandLine: {1}" , processProperties["ProcessID"].Value, processProperties["CommandLine"].Value); } } }

how to find if a file is open or not

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