//获取到bin目录的下层路径:binDebug
string aa = System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase;
string cc = System.AppDomain.CurrentDomain.BaseDirectory;
//获取到bin目录:binDebug
string dd = System.Environment.CurrentDirectory;
string ee = System.IO.Directory.GetCurrentDirectory();
string ff = System.Windows.Forms.Application.StartupPath;
//获取程序.exe
string bb = System.Windows.Forms.Application.ExecutablePath;