//Function creates only one instance of the form
public static ISO_UpldVCD getInstance()
{
if (instance == null || instance.IsDisposed)
{
instance = new ISO_UpldVCD();
}
else
{
instance.BringToFront();
}
return(instance);
}
private void subscriptionToolStripMenuItem1_Click(object sender, EventArgs e)
{
ISO_UpldVCD f11 = new ISO_UpldVCD();
f11.Show();
}