WinIcons.cs

/**
 This Code is published under the terms and conditions of the CC-BY-NC-ND-4.0
 (https://creativecommons.org/licenses/by-nc-nd/4.0)
 
 Please contribute to the current project.
 
 SPDX-License-Identifier: CC-BY-NC-ND-4.0
 @author: pdulvp@laposte.net
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace Pdulvp.EasyFirewall
{
    internal static class WinIcons
    {
        public const uint LVM_FIRST = 0x1000;
        public const uint LVM_GETIMAGELIST = (LVM_FIRST + 2);
        public const uint LVM_SETIMAGELIST = (LVM_FIRST + 3);

        public const uint LVSIL_NORMAL = 0;
        public const uint LVSIL_SMALL = 1;
        public const uint LVSIL_STATE = 2;
        public const uint LVSIL_GROUPHEADER = 3;

        [DllImport("user32")]
        public static extern IntPtr SendMessage(IntPtr hWnd,
                                                uint msg,
                                                uint wParam,
                                                IntPtr lParam);

        [DllImport("comctl32")]
        public static extern bool ImageList_Destroy(IntPtr hImageList);

        public const uint SHGFI_DISPLAYNAME = 0x200;
        public const uint SHGFI_ICON = 0x100;
        public const uint SHGFI_LARGEICON = 0x0;
        public const uint SHGFI_SMALLICON = 0x1;
        public const uint SHGFI_SYSICONINDEX = 0x4000;

        [StructLayout(LayoutKind.Sequential)]
        public struct SHFILEINFO
        {
            public IntPtr hIcon;
            public int iIcon;
            public uint dwAttributes;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260 /* MAX_PATH */)]
            public string szDisplayName;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
            public string szTypeName;
        };

        [DllImport("shell32")]
        public static extern IntPtr SHGetFileInfo(string pszPath,
                                                  uint dwFileAttributes,
                                                  ref SHFILEINFO psfi,
                                                  uint cbSizeFileInfo,
                                                  uint uFlags);

        [DllImport("uxtheme", CharSet = CharSet.Unicode)]
        public static extern int SetWindowTheme(IntPtr hWnd,
                                                string pszSubAppName,
                                                string pszSubIdList);



    }
}