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POHow to refresh/reload Desktop
 

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    <p>I have a WPF C# project in which I'm implementing settings for Windows folder options. One of them is "Single-click to open an item" (instead of double-click). When I change the registry keys for that matter, I need to refresh Windows Explorer which I found a solution for. But desktop doesn't refresh, and even refreshing it manually doesn't apply the changes. I've used IActiveDesktop::ApplyChanges Method but didn't work (or maybe I made a mistake). I've also used this code snippet, but it still doesn't apply the changes I've made:</p> <pre><code>SHChangeNotify(0x8000000, 0x1000, IntPtr.Zero, IntPtr.Zero); </code></pre> <p>And here is the full code snippet that I used for refreshing Win Explorer(witch is from this site):</p> <pre><code>[System.Runtime.InteropServices.DllImport("Shell32.dll")] private static extern int SHChangeNotify(int eventId, int flags, IntPtr item1, IntPtr item2); public static void RefreshWindowsExplorer() { // Refresh the desktop SHChangeNotify(0x8000000, 0x1000, IntPtr.Zero, IntPtr.Zero); // Refresh any open explorer windows // based on http://stackoverflow.com/questions/2488727/refresh-windows-explorer-in-win7 Guid CLSID_ShellApplication = new Guid("13709620-C279-11CE-A49E-444553540000"); Type shellApplicationType = Type.GetTypeFromCLSID(CLSID_ShellApplication, true); object shellApplication = Activator.CreateInstance(shellApplicationType); object windows = shellApplicationType.InvokeMember("Windows", System.Reflection.BindingFlags.InvokeMethod, null, shellApplication, new object[] { }); Type windowsType = windows.GetType(); object count = windowsType.InvokeMember("Count", System.Reflection.BindingFlags.GetProperty, null, windows, null); for (int i = 0; i &lt; (int)count; i++) { object item = windowsType.InvokeMember("Item", System.Reflection.BindingFlags.InvokeMethod, null, windows, new object[] { i }); Type itemType = item.GetType(); // Only refresh Windows Explorer, without checking for the name this could refresh open IE windows string itemName = (string)itemType.InvokeMember("Name", System.Reflection.BindingFlags.GetProperty, null, item, null); if (itemName == "Windows Explorer") { itemType.InvokeMember("Refresh", System.Reflection.BindingFlags.InvokeMethod, null, item, null); } } } </code></pre> <p>That works for Windows Explorer but not the desktop (which is odd since desktop depends on explorer too). So how should I reload the desktop so that my changes take effect?</p>
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    1. COWhat if you try terminating all explorer instances and creating a new one?
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    2. CO@master131, That does work but It's not an option since the users will lose all their explorer windows.
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    3. COpossible duplicate of [How do I make the "show/hide desktop icons" setting take effect?](http://stackoverflow.com/questions/3326062/how-do-i-make-the-show-hide-desktop-icons-setting-take-effect)
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      1. USSheng Jiang 蒋晟
 

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