注册表获取exe位置+ Process类启动exe+参数让exe打开指定文件

/// <summary>
/// 启动本机的cad,并且在cad中浏览dwg图
/// </summary>
/// <param name="path">cad.exe的位置</param>
/// <param name="dwgfile">dwgfile的完整路径</param>
public void StartCad2004(string path,string dwgfile)
{
Process p = new Process();
p.StartInfo.FileName = path;  //启动本机的cad
p.StartInfo.Arguments = dwgfile;//设置cad要打开的dwg文件
p.Start();////启动本机的cad
}

/// <summary>
/// 获取cad路径
/// </summary>
/// <param name="path">从注册表中读取的cad位置</param>
/// <returns></returns>
public bool GetCadPath(out string path)
{
path = "";
RegistryKey key_localMachine = Registry.LocalMachine;
//RegistryKey key_cad = key_localMachine.OpenSubKey("SOFTWARE\\Autodesk\\AutoCAD\\R16.2\\ACAD-4001:804\\", false);//cad2006注册表地址
//RegistryKey key_cad = key_localMachine.OpenSubKey("SOFTWARE\\Autodesk\\AutoCAD\\R16.0\\ACAD-201:804\\", false);//cad2004注册表地址
//任意版本cad启动程序
/*这个值的特点, "exe" "dwg文件"
*
*/
RegistryKey key_cad = key_localMachine.OpenSubKey("SOFTWARE\\Classes\\Applications\\acad.exe\\shell\\open\\command", false);
if (key_cad != null)
{
string cadpath = key_cad.GetValue("").ToString(); //获取启动路径
MatchCollection mc= Regex.Matches(cadpath, "\"(?<cadpath>.*)\" "); //仅获取第一个acad.exe路径
cadpath = mc[0].Groups["cadpath"].Value;
path = cadpath;
return true;
}
return false;
}