// Get the base directory of the program.
System.AppDomain.CurrentDomain.BaseDirectory
// get the full path to the module, including the file name
System.Diagnostics.Process.GetCurrentProcess (). MainModule.FileName
// get and set the current directory (the directory from which you started the process) fully qualified directory.
System.Environment.CurrentDirectory
// Get the application's current working directory, pay attention to the working directory can be changed, but not limited to the program directory.
System.IO.Directory.GetCurrentDirectory ()
// get and set names include directory of the application.
System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase
// Get the path for the executable file of the application.
System.Windows.Forms.Application.StartupPath
// Get started the application's executable file path and file name
System.Windows.Forms.Application.ExecutablePath
