private void onTabControlSelected(object sender, TabControlEventArgs e)
{
frmCP = new formCP();
frmCP.MdiParent = this;
tabControl1.TabPages[e.TabPageIndex].Controls.Add(frmCP);
frmCP.Show();
}
private void casoN1ToolStripMenuItem_Click(object sender, EventArgs e)
{
frmCP = new formCP();
frmCP.MdiParent = this;
tabControl1.Controls.Add(frmCP);
frmCP.Show();
}