private void мастераToolStripMenuItem_Click(object sender, EventArgs e)
{
Form newForm = new MasterView(this, user);
if (currentChildForm != null)
{
currentChildForm.Close();
}
currentChildForm = newForm;
newForm.MdiParent = this;
newForm.WindowState = FormWindowState.Maximized;
newForm.BringToFront();
newForm.Show();
}
