private void mostReadWindow_FormClosed(object sender, FormClosedEventArgs e) { this.mostReadWindow = null; }
private void mostReadToolStripMenuItem1_Click(object sender, EventArgs e) { if (this.mostReadWindow == null) { this.mostReadWindow = new MostReadWindow(); this.mostReadWindow.MdiParent = this; this.mostReadWindow.FormClosed += new FormClosedEventHandler(this.mostReadWindow_FormClosed); this.mostReadWindow.Show(); } else { this.mostReadWindow.Activate(); } }