private void button1_Click(object sender, EventArgs e)        {            var path=Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData);            MessageBox.Show("路径："+path);            var dir = path + "\\edutools\\";            if (!Directory.Exists(dir))            {                Directory.CreateDirectory(dir);            }            Process.Start("explorer.exe",dir);        }        private void button2_Click(object sender, EventArgs e)        {            var path = Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles);            MessageBox.Show("路径：" + path);            var dir = path + "\\edutools\\";            if (!Directory.Exists(dir))            {                Directory.CreateDirectory(dir);            }            Process.Start("explorer.exe",dir);        }        private void button3_Click(object sender, EventArgs e)        {            var path = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);            MessageBox.Show("路径：" + path);            var dir = path + "\\edutools\\";            if (!Directory.Exists(dir))            {                Directory.CreateDirectory(dir);            }            Process.Start("explorer.exe",dir);        }        private void button4_Click(object sender, EventArgs e)        {            var path = Environment.GetFolderPath(Environment.SpecialFolder.System);            MessageBox.Show("路径：" + path);            var dir = path + "\\edutools\\";            if (!Directory.Exists(dir))            {                Directory.CreateDirectory(dir);            }            Process.Start("explorer.exe", dir);        }        private void button5_Click(object sender, EventArgs e)        {            var path = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);            MessageBox.Show("路径：" + path);            var dir = path + "\\edutools\\";            if (!Directory.Exists(dir))            {                Directory.CreateDirectory(dir);            }            Process.Start("explorer.exe", dir);        }        private void button6_Click(object sender, EventArgs e)        {            var path = Environment.GetFolderPath(Environment.SpecialFolder.Windows);            MessageBox.Show("路径：" + path);            var dir = path + "\\edutools\\";            if (!Directory.Exists(dir))            {                Directory.CreateDirectory(dir);            }            Process.Start("explorer.exe", dir);        }