Thread: Force Desktop Refresh?

  1. #1
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    May 2003
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    Force Desktop Refresh?

    I have an app that installs some shortcuts on the desktop, however they don't show up until you manually hit F5 to refresh the desktop.

    How can I force the desktop to refresh in C#?
    You ever try a pink golf ball, Wally? Why, the wind shear on a pink ball alone can take the head clean off a 90 pound midget at 300 yards.

  2. #2
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    IActiveDesktop::ApplyChanges, if you can use it from C#

  3. #3
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    Possibly use Pinvoke????

    Code:
    using System;
    using System.Runtime.InteropServices;
    
    class RefreshDesktop
    {
        public enum SHCNE : uint
        {
            SHCNE_RENAMEITEM = 0x00000001, 
                SHCNE_CREATE = 0x00000002, 
                SHCNE_DELETE = 0x00000004, 
                SHCNE_MKDIR = 0x00000008, 
                SHCNE_RMDIR = 0x00000010,
                SHCNE_MEDIAINSERTED = 0x00000020,
                SHCNE_MEDIAREMOVED = 0x00000040,
                SHCNE_DRIVEREMOVED = 0x00000080,
                SHCNE_DRIVEADD = 0x00000100,
                SHCNE_NETSHARE = 0x00000200,
                SHCNE_NETUNSHARE = 0x00000400,
                SHCNE_ATTRIBUTES = 0x00000800,
                SHCNE_UPDATEDIR = 0x00001000,
                SHCNE_UPDATEITEM = 0x00002000, 
                SHCNE_SERVERDISCONNECT = 0x00004000,
                SHCNE_UPDATEIMAGE = 0x00008000,
                SHCNE_DRIVEADDGUI = 0x00010000,
                SHCNE_RENAMEFOLDER = 0x00020000,
                SHCNE_FREESPACE = 0x00040000,
                SHCNE_EXTENDED_EVENT = 0x04000000,
                SHCNE_ASSOCCHANGED = 0x08000000,
                SHCNE_DISKEVENTS = 0x0002381F,
                SHCNE_GLOBALEVENTS = 0x0C0581E0,
                SHCNE_ALLEVENTS = 0x7FFFFFFF,
                SHCNE_INTERRUPT = 0x80000000
        }
        public enum SHCNF  : uint
        {
            SHCNF_IDLIST = 0x0000,
                SHCNF_PATHA = 0x0001, 
                SHCNF_PRINTERA = 0x0002,
                SHCNF_DWORD = 0x0003,
                SHCNF_PATHW = 0x0005,
                SHCNF_PRINTERW = 0x0006,
                SHCNF_TYPE = 0x00FF,
                SHCNF_FLUSH = 0x1000,
                SHCNF_FLUSHNOWAIT = 0x2000
        }
        [DllImport("shell32.dll", CharSet = CharSet.Auto)]
            public static extern void SHChangeNotify(UInt32 wEventId, UInt32 uFlags, IntPtr dwItem1, IntPtr dwItem2); 
    
        public static void Main() 
        {
             SHChangeNotify((uint)SHCNE.SHCNE_ASSOCCHANGED, (uint)SHCNF.SHCNF_IDLIST, IntPtr.Zero, IntPtr.Zero);
       }
    }

  4. #4
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    Thanks, I'm sure one of those (or both) should work

    Yup, got it working, thanks!
    Last edited by Cat; 09-06-2008 at 11:06 AM.
    You ever try a pink golf ball, Wally? Why, the wind shear on a pink ball alone can take the head clean off a 90 pound midget at 300 yards.

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