private void CRMemberListButton_Click(object sender, EventArgs e) { if (memberList == null) { memberList = new MemberListForm(); memberList.MdiParent = this; memberList.Dock = DockStyle.Fill; memberList.Show(); memberList.FormClosed += MemberList_FormClosed; } else { memberList.Activate(); } }
private void MemberList_FormClosed(object sender, FormClosedEventArgs e) { memberList = null; }