107 lines
3.7 KiB
C#
107 lines
3.7 KiB
C#
using SixLabors.ImageSharp;
|
|
using SixLabors.ImageSharp.Formats.Png;
|
|
using System;
|
|
using System.IO;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace WindowsConfigApp
|
|
{
|
|
internal static partial class FolderIcon
|
|
{
|
|
// https://stackoverflow.com/a/21389253
|
|
public static byte[] ToIcon(this Image img)
|
|
{
|
|
using var ms = new MemoryStream();
|
|
using var bw = new BinaryWriter(ms);
|
|
// Header
|
|
bw.Write((short)0); // 0-1 : reserved
|
|
bw.Write((short)1); // 2-3 : 1=ico, 2=cur
|
|
bw.Write((short)1); // 4-5 : number of images
|
|
// Image directory
|
|
var w = img.Width;
|
|
if (w >= 256) w = 0;
|
|
bw.Write((byte)w); // 0 : width of image
|
|
var h = img.Height;
|
|
if (h >= 256) h = 0;
|
|
bw.Write((byte)h); // 1 : height of image
|
|
bw.Write((byte)0); // 2 : number of colors in palette
|
|
bw.Write((byte)0); // 3 : reserved
|
|
bw.Write((short)0); // 4 : number of color planes
|
|
bw.Write((short)0); // 6 : bits per pixel
|
|
var sizeHere = ms.Position;
|
|
bw.Write((int)0); // 8 : image size
|
|
var start = (int)ms.Position + 4;
|
|
bw.Write(start); // 12: offset of image data
|
|
// Image data
|
|
img.Save(ms, new PngEncoder());
|
|
var imageSize = (int)ms.Position - start;
|
|
ms.Seek(sizeHere, SeekOrigin.Begin);
|
|
bw.Write(imageSize);
|
|
ms.Seek(0, SeekOrigin.Begin);
|
|
|
|
// And load it
|
|
return ms.ToArray();
|
|
}
|
|
|
|
public static void DeleteIcon(this DirectoryInfo directoryInfo) => DeleteIcon(directoryInfo.FullName);
|
|
public static void DeleteIcon(string dir)
|
|
{
|
|
string[] array = new string[3] { "desktop.ini", "Icon.ico", ".hidden" };
|
|
foreach (string path in array)
|
|
{
|
|
string text = Path.Combine(dir, path);
|
|
if (File.Exists(text))
|
|
{
|
|
File.SetAttributes(text, File.GetAttributes(text) | FileAttributes.Normal);
|
|
new FileInfo(text).IsReadOnly = false;
|
|
File.Delete(text);
|
|
}
|
|
}
|
|
|
|
refresh();
|
|
}
|
|
|
|
// https://github.com/dimuththarindu/FIC-Folder-Icon-Changer/blob/master/project/FIC/Classes/IconCustomizer.cs
|
|
|
|
public static void SetIcon(this DirectoryInfo directoryInfo, byte[] icon, string folderType)
|
|
=> SetIcon(directoryInfo.FullName, icon, folderType);
|
|
|
|
public static void SetIcon(string dir, byte[] icon, string folderType)
|
|
{
|
|
var desktop_ini = Path.Combine(dir, "desktop.ini");
|
|
var Icon_ico = Path.Combine(dir, "Icon.ico");
|
|
var hidden = Path.Combine(dir, ".hidden");
|
|
|
|
//deleting existing files
|
|
DeleteIcon(dir);
|
|
|
|
//copying Icon file //overwriting
|
|
File.WriteAllBytes(Icon_ico, icon);
|
|
|
|
//writing configuration file
|
|
string[] desktopLines = { "[.ShellClassInfo]", "IconResource=Icon.ico,0", "[ViewState]", "Mode=", "Vid=", $"FolderType={folderType}" };
|
|
File.WriteAllLines(desktop_ini, desktopLines);
|
|
|
|
//configure file 2
|
|
string[] hiddenLines = { "desktop.ini", "Icon.ico" };
|
|
File.WriteAllLines(hidden, hiddenLines);
|
|
|
|
//making system files
|
|
File.SetAttributes(desktop_ini, File.GetAttributes(desktop_ini) | FileAttributes.Hidden | FileAttributes.System | FileAttributes.ReadOnly);
|
|
File.SetAttributes(Icon_ico, File.GetAttributes(Icon_ico) | FileAttributes.Hidden | FileAttributes.System | FileAttributes.ReadOnly);
|
|
File.SetAttributes(hidden, File.GetAttributes(hidden) | FileAttributes.Hidden | FileAttributes.System | FileAttributes.ReadOnly);
|
|
|
|
// this strangely completes the process. also hides these 3 hidden system files, even if "show hidden items" is checked
|
|
File.SetAttributes(dir, File.GetAttributes(dir) | FileAttributes.ReadOnly);
|
|
|
|
refresh();
|
|
}
|
|
|
|
private static void refresh() => SHChangeNotify(0x08000000, 0x0000, 0, 0); //SHCNE_ASSOCCHANGED SHCNF_IDLIST
|
|
|
|
|
|
[DllImport("shell32.dll", SetLastError = true)]
|
|
private static extern void SHChangeNotify(int wEventId, int uFlags, nint dwItem1, nint dwItem2);
|
|
}
|
|
}
|