private void btn_Home_Click(object sender, EventArgs e)
{
CheckForChildWindow();
HomeWindow child = new HomeWindow();
child.MdiParent = this;
child.Show();
lbl_Title.Text = "Home";
}
private void OpenHomeWindow()
{
CheckForChildWindow();
HomeWindow child = new HomeWindow();
child.MdiParent = this;
child.Show();
lbl_Title.Text = "Home";
}