private void wincol_Click(object sender, EventArgs e)
{
this.WindowState = FormWindowState.Minimized;
cols cmn = new cols();
cmn.Show();
cmn.Disposed += new EventHandler(cmn_Disposed);
}
private void selctcol_Click(object sender, EventArgs e)
{
Main.cols cls = new cols();
cls.Show();
}