private void versionInformationToolStripMenuItem_Click(object sender, EventArgs e) { if (this.versionInformation == null) { this.versionInformation = new VersionInformationForm(); this.versionInformation.LoadInformation(this.myTypeTable); this.versionInformation.FormClosed += (o, a) => { this.versionInformation = null; }; this.versionInformation.Show(this); } else { this.versionInformation.BringToFront(); } }