■ RegistryKey 클래스를 사용해 설치 프로그램 버전을 구하는 방법을 보여준다.
▶ Program.cs
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using Microsoft.Win32; using System; namespace TestProject { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main() /// <summary> /// 프로그램 시작하기 /// </summary> private static void Main() { string displayName = "Bandizip"; string version = GetInstalledProgramVersion(displayName, out _); Console.WriteLine($"{displayName} : {version}"); } #endregion #region 설치 프로그램 버전 구하기 - GetInstalledProgramVersion(displayName) /// <summary> /// 설치 프로그램 버전 구하기 /// </summary> /// <param name="displayName">디스플레이명</param> /// <returns>설치 프로그램 버전</returns> private static string GetInstalledProgramVersion(string displayName, out bool is32BitVersion) { string parentKeyName = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"; using(RegistryKey parentKey = Registry.LocalMachine.OpenSubKey(parentKeyName)) { foreach(string childKeyName in parentKey.GetSubKeyNames()) { using(RegistryKey childKey = parentKey.OpenSubKey(childKeyName)) { try { string name = childKey.GetValue("DisplayName")?.ToString(); if(name == displayName) { is32BitVersion = false; return childKey.GetValue("DisplayVersion")?.ToString(); } } catch { } } } } parentKeyName = @"SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall"; using(RegistryKey parentKey = Registry.LocalMachine.OpenSubKey(parentKeyName)) { foreach(string childKeyName in parentKey.GetSubKeyNames()) { using(RegistryKey childKey = parentKey.OpenSubKey(childKeyName)) { try { string name = childKey.GetValue("DisplayName")?.ToString(); if(name == displayName) { is32BitVersion = true; return childKey.GetValue("DisplayVersion")?.ToString(); } } catch { } } } } is32BitVersion = false; return null; } #endregion } } |