145 lines
3.8 KiB
C#
145 lines
3.8 KiB
C#
using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Security.Principal;
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using Microsoft.Win32;
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namespace FontPreview;
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internal static class FontManagerEx
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{
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internal static bool IsAdmin()
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{
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try
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{
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using WindowsIdentity ntIdentity = WindowsIdentity.GetCurrent();
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WindowsPrincipal windowsPrincipal = new WindowsPrincipal(ntIdentity);
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return windowsPrincipal.IsInRole(WindowsBuiltInRole.Administrator);
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}
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catch
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{
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return false;
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}
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}
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internal static string GetFontDisplayName(string fontPath)
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{
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return FontNameParser.GetDisplayName(fontPath, null);
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}
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internal static bool InstallAsShortcut(string fontFullPath)
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{
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string lnkPath;
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string regName;
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return InstallAsShortcut(fontFullPath, out lnkPath, out regName);
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}
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internal static bool InstallAsShortcut(string fontFullPath, out string lnkPath, out string regName)
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{
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lnkPath = "";
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regName = "";
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try
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{
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string folderPath = Environment.GetFolderPath(Environment.SpecialFolder.Fonts);
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string fileName = Path.GetFileName(fontFullPath);
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lnkPath = Path.Combine(folderPath, fileName + ".lnk");
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Type typeFromCLSID = Type.GetTypeFromCLSID(new Guid("00021401-0000-0000-C000-000000000046"));
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if (typeFromCLSID == null)
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{
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lnkPath = "";
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return false;
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}
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object obj = Activator.CreateInstance(typeFromCLSID);
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try
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{
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ShellLinkW shellLinkW = (ShellLinkW)obj;
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shellLinkW.SetPath(fontFullPath);
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shellLinkW.SetWorkingDirectory(Path.GetDirectoryName(fontFullPath));
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shellLinkW.SetIconLocation(fontFullPath, 0);
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PersistFile persistFile = (PersistFile)obj;
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persistFile.Save(lnkPath, fRemember: true);
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Marshal.FinalReleaseComObject(persistFile);
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}
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finally
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{
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Marshal.FinalReleaseComObject(obj);
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}
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if (!File.Exists(lnkPath))
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{
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lnkPath = "（.lnk 生成失败）";
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return false;
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}
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try
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{
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using RegistryKey registryKey = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts");
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if (registryKey != null)
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{
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string fullPath = Path.GetFullPath(fontFullPath);
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bool flag = false;
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string[] valueNames = registryKey.GetValueNames();
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foreach (string name in valueNames)
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{
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object value = registryKey.GetValue(name);
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if (value is string)
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{
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string a = (string)value;
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if (string.Equals(a, fontFullPath, StringComparison.OrdinalIgnoreCase) || string.Equals(a, fullPath, StringComparison.OrdinalIgnoreCase) || string.Equals(a, fileName, StringComparison.OrdinalIgnoreCase))
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{
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flag = true;
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break;
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}
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}
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}
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if (flag)
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{
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regName = "";
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lnkPath = "（已安装，未重复登记）";
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return true;
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}
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}
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}
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catch
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{
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}
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string text = GetFontDisplayName(fontFullPath);
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if (string.IsNullOrEmpty(text))
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{
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text = Path.GetFileNameWithoutExtension(fontFullPath);
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}
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regName = text + " (TrueType)";
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using (RegistryKey registryKey2 = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts", writable: true))
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{
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if (registryKey2 == null)
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{
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lnkPath = "（无法打开字体注册表键，需管理员权限）";
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return false;
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}
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registryKey2.SetValue(regName, fontFullPath, RegistryValueKind.String);
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}
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try
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{
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using RegistryKey registryKey3 = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts");
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string value2 = ((registryKey3 == null) ? null : (registryKey3.GetValue(regName) as string));
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if (string.IsNullOrEmpty(value2))
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{
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lnkPath = "（注册表项写入后未验证通过）";
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regName = "";
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return false;
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}
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}
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catch
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{
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regName = "";
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return false;
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}
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return true;
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}
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catch (Exception ex)
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{
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lnkPath = "（异常：" + ex.Message + "）";
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regName = "";
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return false;
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}
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}
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}
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