private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
Okno3 ok3 = Okno3.pobierzInstancjeOkna();
ok3.MdiParent = this;
ok3.Show();
}
public static Okno3 pobierzInstancjeOkna()
{
if (okienko == null || okienko.IsDisposed)
{
okienko = new Okno3();
}
return(okienko);
}
private void zamknijBiezaceOknoToolStripMenuItem_Click(object sender, EventArgs e)
{
if (this.ActiveMdiChild.Name.Equals("MojeOkno"))
{
MojeOkno ok = (MojeOkno)this.ActiveMdiChild;
ok.Dispose();
}
else if (this.ActiveMdiChild.Name.Equals("Okno3"))
{
Okno3 ok3 = (Okno3)this.ActiveMdiChild;
ok3.Dispose();
}
}
