private void MDIParent3_Load(object sender, EventArgs e)
{
winforms.sideForm1 sf1 = new sideForm1(this);
sf1.MdiParent = this;
sf1.Show();
}
private void launchSidebarToolStripMenuItem_Click(object sender, EventArgs e)
{
winforms.sideForm1 sf1 = new sideForm1(this);
sf1.MdiParent = this;
sf1.Show();
}