private void gDI2ToolStripMenuItem_Click(object sender, EventArgs e) { if (gdi2 == null) { gdi2 = new GDI2(); gdi2.MdiParent = this; gdi2.FormClosed += new FormClosedEventHandler(gdi2_Close); gdi2.Show(); } else { gdi2.Activate(); } gdi2.WindowState = FormWindowState.Maximized; }
private void gdi2_Close(object sender, FormClosedEventArgs e) { gdi2 = null; }