private void downloadfromvcenterToolStripMenuItem_Click(object sender, EventArgs e)
        {
            VM_Dowld f6 = new VM_Dowld();

            f6.Show();
        }
        private void vMFromSubscriptonToolStripMenuItem_Click(object sender, EventArgs e)
        {
            VM_Dowld f6 = new VM_Dowld();

            f6.Show();
        }