程序配置选项新增鼠标右键菜单配置按钮

App/Common/RightKeyHelper.cs

@@ -0,0 +1,80 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Security.AccessControl;
+using System.Security.Principal;
+using System.Security;
+using Microsoft.Win32;
+
+namespace PDFPatcher.Common
+{
+	class RightKeyHelper
+	{
+		/// <summary>
+		/// 为程序添加鼠标右键菜单
+		/// 首次提交PR后Owner很快就回复，感谢他的建议现在采用向HKEY_CURRENT_USER\SOFTWARE\Classes下添加项，完美避开提权问题。不需要修改app.manifest
+		/// 有关注册表的描述：https://www.c-sharpcorner.com/UploadFile/f9f215/windows-registry/
+		/// 注册表的提权操作见：https://docs.microsoft.com/zh-cn/dotnet/api/system.security.accesscontrol.registrysecurity?view=net-6.0#methods
+		/// </summary>
+
+		public static bool Add(string appName, string appPath) {
+			try {
+				RegistryKey software = Registry.CurrentUser.OpenSubKey(@"SOFTWARE");
+				RegistryKey key = software;
+				RegistryKey shell = key.OpenSubKey(@"Classes\*\shell", true);
+				RegistryKey pdfPather = shell.CreateSubKey(appName);
+				RegistryKey command = shell.CreateSubKey(appName+@"\command");
+				command.SetValue("", appPath+@" %1");
+				pdfPather.SetValue("", "使用PDF补丁丁打开");
+				pdfPather.SetValue("Icon",appPath);
+				return true;
+			}
+			catch (Exception e){
+				FormHelper.InfoBox(e.ToString());
+				return false;
+			}
+		}
+
+		public static bool Delete(string appName) {
+			RightKeyHelper reg = new();
+			try {
+				RegistryKey software = Registry.CurrentUser.OpenSubKey(@"SOFTWARE");
+				RegistryKey key = software;
+				RegistryKey shell = key.OpenSubKey(@"Classes\*\shell", true);
+				RegistryKey pdfPather = shell.OpenSubKey(appName, true);
+				pdfPather.DeleteSubKey(@"command");
+				shell.DeleteSubKey(appName);
+				return true;
+			}
+			catch (Exception e) {
+				FormHelper.InfoBox(e.ToString());
+				return false;
+			}
+		}
+
+
+		public static bool IsExist(string appName) {
+			RightKeyHelper reg = new();
+			string[] subkeyNames;
+			try {
+				RegistryKey software = Registry.CurrentUser.OpenSubKey(@"SOFTWARE");
+				RegistryKey key = software;
+				RegistryKey shell = key.OpenSubKey(@"Classes\*\shell", true);
+				subkeyNames=shell.GetSubKeyNames();
+				foreach(string keyName in subkeyNames) {
+					if(keyName == appName) {
+						key.Close();
+						return true;
+					}
+				}
+				return false;
+			}
+			catch(Exception e) {
+				FormHelper.InfoBox(e.ToString());
+				return false;
+			}
+		}
+
+	}
+}

App/CommonCommands.cs

@@ -22,5 +22,35 @@ internal static void CreateShortcut() {
 		internal static void VisitHomePage() {
 			System.Diagnostics.Process.Start(Constants.AppHomePage);
 		}
+
+		internal static void RightKey(Functions.AppOptionForm appOptionForm) {
+			bool isExist = RightKeyHelper.IsExist(Constants.AppEngName);
+			var path = System.IO.Path.GetDirectoryName(System.Windows.Forms.Application.ExecutablePath);
+			var exeAbsPath = FileHelper.CombinePath(path, Constants.AppEngName + ".exe");
+
+			if (isExist == true) {
+				bool isDelete = RightKeyHelper.Delete(Constants.AppEngName);
+				if (isDelete) {
+					FormHelper.InfoBox(Constants.AppEngName + "右键菜单删除成功。");
+					appOptionForm._RightKeyButton.Text = @"添加右键菜单";
+
+				}
+			}
+			else {
+				bool isAdd = RightKeyHelper.Add(Constants.AppEngName, exeAbsPath);
+				if (isAdd) {
+					FormHelper.InfoBox(Constants.AppEngName + "右键菜单创建成功。");
+					appOptionForm._RightKeyButton.Text = @"删除右键菜单";
+
+				}
+
+			}
+		}
+		internal static void RightKeyButton_Text(Functions.AppOptionForm appOptionForm) {
+			bool isExist = RightKeyHelper.IsExist(Constants.AppEngName);
+			if(isExist == true) {
+				appOptionForm._RightKeyButton.Text = @"删除右键菜单";
+			}
+		}
 	}
 }