private void PictureBox_Click(object sender, EventArgs e) { PictureBox picClicked = (PictureBox)sender; int cardPos = Panel1.Controls.IndexOf(picClicked); int cardPos2 = Panel2.Controls.IndexOf(picClicked); if (cardPos != -1) { hand1.RemoveCard((Card)picClicked.Tag); ShowHand(Panel1, hand1); } else if (cardPos2 != -1) { hand2.RemoveCard((Card)picClicked.Tag); ShowHand(Panel2, hand2); } else { hand3.RemoveCard((Card)picClicked.Tag); ShowHand(Panel3, hand3); } }