//获取基目录即当前工作目录
string str_1 = System.AppDomain.CurrentDomain.BaseDirectory;

//获取应用程序基目录的名称
string str_2 = System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase;

//获取启动了应用程序的可执行文件的路径，不包括可执行文件的名称。
string str_3 = System.Windows.Forms.Application.StartupPath;

//获取启动了应用程序的可执行文件的路径，包括可执行文件的名称。
string str_4 = System.Windows.Forms.Application.ExecutablePath;

//获取当前进程模块的完整路径。
string str_5 = System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName;

//获取或设置当前工作目录的完全限定路径。
string str_6 = System.Environment.CurrentDirectory;

//通IO的通过目录和子目录的静态方法
string str_8 = System.IO.Directory.GetCurrentDirectory();

string filePath = System.Windows.Forms.Application.ExecutablePath;
var versionInfo = System.Diagnostics.FileVersionInfo.GetVersionInfo(filePath);
var FileName = versionInfo.FileName;                    //"F:\\WPF实例\\bin\\Debug\\WPF实例.EXE"
var FileDescription = versionInfo.FileDescription;      //"WPF实例"
var ProductName = versionInfo.ProductName;              //"WPF实例"
var CompanyName = versionInfo.CompanyName;              //"Micro"
var FileVersion = versionInfo.FileVersion;              //"5.6.7.8"
var ProductVersion = versionInfo.ProductVersion;        //"5.6.7.8"
var ProductMajorPart = versionInfo.ProductMajorPart;    //5
var ProductMinorPart = versionInfo.ProductMinorPart;    //6
var ProductBuildPart = versionInfo.ProductBuildPart;    //7
var ProductPrivatePart = versionInfo.ProductPrivatePart;//8
// 通常版本号显示为「主版本号.次版本号.生成号.专用部件号」
var Version = String.Format("{0}.{1}.{2}.{3}", ProductMajorPart, ProductMinorPart, ProductBuildPart, ProductPrivatePart);
var Language = versionInfo.Language;                    //"语言中性"
var OriginalFilename = versionInfo.OriginalFilename;    //"WPF实例.exe"
var LegalCopyright = versionInfo.LegalCopyright;        //"Copyright ©  2018"

string filePath = System.Windows.Forms.Application.ExecutablePath;
System.Reflection.Assembly assembly = System.Reflection.Assembly.LoadFile(filePath);
var assemblyName = assembly.GetName();
string str_20 = assemblyName.Name.ToString();     //WPF实例
string str_21 = assemblyName.FullName.ToString(); //WPF实例, Version=1.2.3.4, Culture=neutral, PublicKeyToken=null
string str_24 = assemblyName.Version.ToString();  //1.2.3.4
string str_25 = assemblyName.Version.Major.ToString();          //1.2.3.4
string str_26 = assemblyName.Version.Minor.ToString();          //1.2.3.4
string str_27 = assemblyName.Version.Build.ToString();          //1.2.3.4
string str_28 = assemblyName.Version.MajorRevision.ToString();  //1.2.3.4

System.Reflection.Assembly assembly = System.Reflection.Assembly.GetExecutingAssembly();
string name = assembly.GetName().Version.ToString();

System.Reflection.AssemblyCopyrightAttribute copyright = (System.Reflection.AssemblyCopyrightAttribute)
System.Reflection.AssemblyCopyrightAttribute.GetCustomAttribute(System.Reflection.Assembly.GetExecutingAssembly(),typeof(System.Reflection.AssemblyCopyrightAttribute));
System.Reflection.AssemblyDescriptionAttribute description = (System.Reflection.AssemblyDescriptionAttribute)
System.Reflection.AssemblyDescriptionAttribute.GetCustomAttribute(System.Reflection.Assembly.GetExecutingAssembly(),typeof(System.Reflection.AssemblyDescriptionAttribute));

string str_30 = description.Description;                        // 示例描述
string str_31 = copyright.Copyright;                            // Copyright ©  2018
string str_32 = System.Windows.Forms.Application.ProductVersion;// 5.6.7.8*/