C# 隐藏显示桌面图标

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Microsoft.Win32;
 
namespace HSDesktopIcon
{
    public partial class Frm_Main : Form
    {
        public Frm_Main()
        {
            InitializeComponent();
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
            //定位注册表项
            RegistryKey RKey=Registry.CurrentUser.CreateSubKey("Software\Microsoft\Windows\CurrentVersion\Explorer\HideDesktopIcons\NewStartPanel");
            if (checkBox1.Checked)
                RKey.SetValue("{20D04FE0-3AEA-1069-A2D8-08002B30309D}", 1);//隐藏我的电脑
            if (checkBox2.Checked)
                RKey.SetValue("{59031a47-3f72-44a7-89c5-5595fe6b30ee}", 1);//隐藏我的文档
            if (checkBox3.Checked)
                RKey.SetValue("{F02C1A0D-BE21-4350-88B0-7367FC96EF3C}", 1);//隐藏网上邻居
            if (checkBox4.Checked)
                RKey.SetValue("{645FF040-5081-101B-9F08-00AA002F954E}", 1);//隐藏回收站
            if (checkBox5.Checked)
                RKey.SetValue("{5399E694-6CE5-4D6C-8FCE-1D8870FDCBA0}", 1);//隐藏控制面板
            MessageBox.Show("修改成功——请刷新桌面！");
        }
 
        private void button2_Click(object sender, EventArgs e)
        {
            //定位注册表项
            RegistryKey RKey = Registry.CurrentUser.CreateSubKey("Software\Microsoft\Windows\CurrentVersion\Explorer\HideDesktopIcons\NewStartPanel");
            if (checkBox1.Checked)
                RKey.SetValue("{20D04FE0-3AEA-1069-A2D8-08002B30309D}", 0);//显示我的电脑
            if (checkBox2.Checked)
                RKey.SetValue("{59031a47-3f72-44a7-89c5-5595fe6b30ee}", 0);//显示我的文档
            if (checkBox3.Checked)
                RKey.SetValue("{F02C1A0D-BE21-4350-88B0-7367FC96EF3C}", 0);//显示网上邻居
            if (checkBox4.Checked)
                RKey.SetValue("{645FF040-5081-101B-9F08-00AA002F954E}", 0);//显示回收站
            if (checkBox5.Checked)
                RKey.SetValue("{5399E694-6CE5-4D6C-8FCE-1D8870FDCBA0}", 0);//显示控制面板
            MessageBox.Show("修改成功——请刷新桌面！");
        }
    }
}

C# 刷新桌面

public class DesktopRefurbish
{
    [DllImport("shell32.dll")]
    public static extern void SHChangeNotify(HChangeNotifyEventID wEventId, HChangeNotifyFlags uFlags, IntPtr dwItem1, IntPtr dwItem2);

    /// <summary>
    /// 桌面刷新
    /// </summary>
    public static void DeskRefresh()
    {
        SHChangeNotify(HChangeNotifyEventID.SHCNE_ASSOCCHANGED, HChangeNotifyFlags.SHCNF_IDLIST, IntPtr.Zero, IntPtr.Zero);
    }
}
#region public enum HChangeNotifyFlags
[Flags]
public enum HChangeNotifyFlags
{
    SHCNF_DWORD = 0x0003,
    SHCNF_IDLIST = 0x0000,
    SHCNF_PATHA = 0x0001,
    SHCNF_PATHW = 0x0005,
    SHCNF_PRINTERA = 0x0002,
    SHCNF_PRINTERW = 0x0006,
    SHCNF_FLUSH = 0x1000,
    SHCNF_FLUSHNOWAIT = 0x2000
}
#endregion//enum HChangeNotifyFlags
#region enum HChangeNotifyEventID
[Flags]
public enum HChangeNotifyEventID
{
    SHCNE_ALLEVENTS = 0x7FFFFFFF,
    SHCNE_ASSOCCHANGED = 0x08000000,
    SHCNE_ATTRIBUTES = 0x00000800,
    SHCNE_CREATE = 0x00000002,
    SHCNE_DELETE = 0x00000004,
    SHCNE_DRIVEADD = 0x00000100,
    SHCNE_DRIVEADDGUI = 0x00010000,
    SHCNE_DRIVEREMOVED = 0x00000080,
    SHCNE_EXTENDED_EVENT = 0x04000000,
    SHCNE_FREESPACE = 0x00040000,
    SHCNE_MEDIAINSERTED = 0x00000020,
    SHCNE_MEDIAREMOVED = 0x00000040,
    SHCNE_MKDIR = 0x00000008,
    SHCNE_NETSHARE = 0x00000200,
    SHCNE_NETUNSHARE = 0x00000400,
    SHCNE_RENAMEFOLDER = 0x00020000,
    SHCNE_RENAMEITEM = 0x00000001,
    SHCNE_RMDIR = 0x00000010,
    SHCNE_SERVERDISCONNECT = 0x00004000,
    SHCNE_UPDATEDIR = 0x00001000,
    SHCNE_UPDATEIMAGE = 0x00008000,
}
#endregion

引用

C# 隐藏显示桌面图标 实例源码(win7/win8/win10可用)