搜索本机是否安装指定程序

添加引用 Interop.IWshRuntimeLibrary.dll

第一步：判断指定程序是否正在运行A.exe；

第二部：查找（B.exe）1、通过查找注册表(xp系统)查找程序的安装路径；2、通过查找注册表（win7,10等）、桌面快捷方式查找程序的安装目录；3、通过开始菜单快捷方式查找安装目录

第三部：查找到B.exe,通过注册表查找A.exe，找到则开启 Process.Start(path); 相关代码如下：

/// <summary>
/// 根据注册表key读取内容
/// </summary>
public static string GetValue(string keyPath, string keyName)
{
RegistryKey key = Registry.LocalMachine;
try
{
RegistryKey myreg = key.OpenSubKey(keyPath);
if (!Equals(myreg, null))
return myreg.GetValue(keyName).ToString();
return string.Empty;
}
finally
{
key.Close();
}
}

using IWshRuntimeLibrary;
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

public class CommonUtil
{
/// <summary>
/// 检测指定程序是否正在运行
/// </summary>
public static bool IsRunning(string filename)
{
var ls = Process.GetProcessesByName(filename).ToList();
if (ls.Count != 0) return true;
return false;
}

/// <summary>
/// Opens the registry path.
/// </summary>
/// <param name="root">The root.</param>
/// <param name="s">The s.</param>
/// <returns></returns>
private static RegistryKey OpenRegistryPath(RegistryKey root, string s)
{
s = s.Remove(0, 1) + @"/";
while (s.IndexOf(@"/", StringComparison.Ordinal) != -1)
{
if (root != null)
{
root = root.OpenSubKey(s.Substring(0, s.IndexOf(@"/", StringComparison.Ordinal)));
s = s.Remove(0, s.IndexOf(@"/", StringComparison.Ordinal) + 1);
}
}
return root;
}

/// <summary>
/// 获取公用桌面路径
/// </summary>
/// <returns></returns>
public static string GetAllUsersDesktopFolderPath()
{
RegistryKey folders = OpenRegistryPath(Registry.LocalMachine, @"/software/microsoft/windows/currentversion/explorer/shell folders");
string desktopPath = folders.GetValue("Common Desktop").ToString();
return desktopPath;
}

/// <summary>
/// 通过快捷方式获取安装文件
/// </summary>
/// <param name="lnkPath">The LNK path.</param>
/// <returns></returns>
public static string GetAppinstallFileByShortcut(string lnkPath)
{
string taxAppInstallPath = string.Empty;
WshShell wshShellClass = new WshShellClass();
IWshShortcut wshShortcut = (IWshShortcut)wshShellClass.CreateShortcut(lnkPath);
if (!Equals(wshShortcut, null))
{
if (!string.IsNullOrEmpty(wshShortcut.TargetPath))
{
taxAppInstallPath = wshShortcut.TargetPath;
}
}
return taxAppInstallPath;
}

/// <summary>
/// 通过快捷方式获取安装目录
/// </summary>
/// <param name="lnkPath">The LNK path.</param>
/// <returns></returns>
public static string GetAppinstallPathByShortcut(string lnkPath)
{
string taxAppInstallPath = string.Empty;
WshShell wshShellClass = new WshShellClass();
IWshShortcut wshShortcut = (IWshShortcut)wshShellClass.CreateShortcut(lnkPath);
if (!Equals(wshShortcut, null))
{
if (!string.IsNullOrEmpty(wshShortcut.TargetPath))
{
taxAppInstallPath = wshShortcut.TargetPath;
}
}
if (!string.IsNullOrEmpty(taxAppInstallPath) && taxAppInstallPath.EndsWith(".exe", StringComparison.Ordinal))
{
taxAppInstallPath = taxAppInstallPath.Substring(0, taxAppInstallPath.LastIndexOf("\\", StringComparison.Ordinal) + 1);
}
return taxAppInstallPath;
}

/// <summary>
///通过快捷方式获取目录
/// </summary>
/// <param name="linkName">快捷方式名称</param>
/// <param name="IsContain">是否包含文件名称</param>
/// <returns></returns>
public static string GetAppInstallPathByLink(string linkName, bool IsContain = false)
{
string taxAppInstallPath = string.Empty;
try
{
//获取所有用户桌面目录
string allUsersDesktopFolderPath = GetAllUsersDesktopFolderPath();
//获取当前系统用户桌面目录
string currentUserDesktopPath = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
if (string.IsNullOrEmpty(taxAppInstallPath))
{
string lnkPath = Path.Combine(allUsersDesktopFolderPath, linkName);
if (System.IO.File.Exists(lnkPath))
{
if (IsContain)
{
taxAppInstallPath = GetAppinstallFileByShortcut(lnkPath);
}
else
{
taxAppInstallPath = GetAppinstallPathByShortcut(lnkPath);
}

}
}
if (string.IsNullOrEmpty(taxAppInstallPath))
{
string lnkPath = Path.Combine(currentUserDesktopPath, linkName);
if (System.IO.File.Exists(lnkPath.Trim()))
{
if (IsContain)
{
taxAppInstallPath = GetAppinstallFileByShortcut(lnkPath);
}
else
{
taxAppInstallPath = GetAppinstallPathByShortcut(lnkPath);
}
}
}
}
catch (Exception exception)
{
Log.Error("安装目录出现错误：" + exception.Message);
}
return taxAppInstallPath;
}

/// <summary>
/// 通过注册表获取安装目录
/// </summary>
/// <param name="regKeyPath">The reg key path.</param>
/// <param name="regKeyName">Name of the reg key.</param>
/// <returns></returns>
public static string GetAppInstallPathByReg(string regKeyPath, string regKeyName)
{
string taxAppInstallPath = string.Empty;
if (string.IsNullOrEmpty(regKeyPath))
{
return taxAppInstallPath;
}
try
{
string keyValue = RegistryHelper.GetValue(regKeyPath, regKeyName);
taxAppInstallPath = keyValue;
}
catch (Exception exception)
{
Log.Error("安装目录出现错误：" + exception.Message);
}
return taxAppInstallPath;
}

/// <summary>
/// 通过注册表，通过快捷方式获取安装目录
/// </summary>
/// <param name="regKeyPath">注册表目录</param>
/// <param name="regKeyName">键</param>
/// <param name="linkName">快捷方式名称</param>
/// <returns></returns>
public static string GetTaxAppInstallPath(string regKeyPath, string regKeyName, string linkName)
{
string taxAppInstallPath = string.Empty;
if (!string.IsNullOrEmpty(regKeyPath) && !string.IsNullOrEmpty(regKeyName))
{
taxAppInstallPath = GetAppInstallPathByReg(regKeyPath, regKeyName);
}
if (string.IsNullOrEmpty(taxAppInstallPath))
{
taxAppInstallPath = GetAppInstallPathByLink(linkName);
}
if (taxAppInstallPath.EndsWith(".exe", StringComparison.Ordinal))
{
taxAppInstallPath = taxAppInstallPath.Substring(0, taxAppInstallPath.LastIndexOf("\\", StringComparison.Ordinal) + 1);
}
return taxAppInstallPath;
}

/// <summary>
/// 通过快捷方式获取目录
/// </summary>
/// <param name="programName">Name of the program.</param>
/// <param name="linkName">快捷方式名称</param>
/// <param name="isContain">是否包含文件名称</param>
/// <returns></returns>
public static string GetAppInstallPathByProgram(string programName, string linkName, bool isContain = false)
{
string taxAppInstallPath = string.Empty;
try
{
string currentProgramFolderPathPath = Environment.GetFolderPath(Environment.SpecialFolder.Programs);
if (string.IsNullOrEmpty(taxAppInstallPath))
{
string lnkPath = Path.Combine(currentProgramFolderPathPath, programName + "/" + linkName);
if (System.IO.File.Exists(lnkPath))
{
taxAppInstallPath = isContain ? GetAppinstallFileByShortcut(lnkPath) : GetAppinstallPathByShortcut(lnkPath);
}
}
}
catch
{
taxAppInstallPath = string.Empty;
}
return taxAppInstallPath;
}

/// <summary>
/// 获取USBShare Manager安装目录
/// </summary>
/// <returns></returns>
public static string GetTaxAppInstallPathUsbShare()
{
string taxAppInstallPath = GetAppInstallPathByReg(@"SOFTWARE\MBInfoSofts\UsbsDevM.exe", "");
if (string.IsNullOrEmpty(taxAppInstallPath))
{
taxAppInstallPath = GetTaxAppInstallPath(@"SOFTWARE\WOW6432Node\MBInfoSofts\UsbsDevM.exe", "", "USBShare Manager.lnk");
}
if (string.IsNullOrEmpty(taxAppInstallPath))
{
taxAppInstallPath = GetAppInstallPathByProgram("USBShare Manager", "USBShare Manager.lnk");
}
return taxAppInstallPath;
}

/// <summary>
/// 获取USBShare服务安装目录
/// </summary>
/// <returns></returns>
public static string GetTaxAppInstallPathUsbService()
{
string taxAppInstallPath = GetAppInstallPathByReg(@"SOFTWARE\MBInfoSofts\usbshsrv.exe", "");
if (string.IsNullOrEmpty(taxAppInstallPath))
{
taxAppInstallPath = GetAppInstallPathByReg(@"SOFTWARE\WOW6432Node\MBInfoSofts\usbshsrv.exe", "");
}
return taxAppInstallPath;
}
}

搜索本机是否安装指定程序

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