C#获取dll自身路径

            //获取dll的绝对路径，请根据不同情况自己选用
            MessageBox.Show(System.Reflection.Assembly.GetExecutingAssembly().Location);
            MessageBox.Show(System.Reflection.Assembly.GetEntryAssembly().Location);   
            MessageBox.Show(System.Windows.Forms.Application.ExecutablePath);
            MessageBox.Show(System.Windows.Forms.Application.StartupPath);
            MessageBox.Show(System.Environment.CurrentDirectory);
            MessageBox.Show(System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName);