private void eventsJoinLeaveToolStripMenuItem_Click(object sender, EventArgs e) { if (this.joinLeaveForm == null) { this.joinLeaveForm = new JoinLeaveForm(); this.joinLeaveForm.MdiParent = this; this.joinLeaveForm.FormClosed += new FormClosedEventHandler(this.joinLeaveForm_FormClosed); this.joinLeaveForm.Show(); } else { this.joinLeaveForm.Activate(); } }
private void joinLeaveForm_FormClosed(object sender, FormClosedEventArgs e) { this.joinLeaveForm = null; }