private void pictureBox4_Click(object sender, EventArgs e)
{
frmSend frm = new frmSend();
frm.Show();
this.Close();
}
private void pictureBox6_Click(object sender, EventArgs e)
{
frmSend frmEmbFile = new frmSend();
frmEmbFile.Tag = this;
frmEmbFile.Show(this);
Hide();
}