private void 新規作成ToolStripMenuItem_Click(object sender, EventArgs e) { NewMapDialog nmd = new NewMapDialog(); if (nmd.ShowDialog() == DialogResult.OK) { MapTabPage mtp = new MapTabPage(nmd.MapName); mtp.Data.Width = nmd.MapWidth; mtp.Data.Height = nmd.MapHeight; this.tabControl1.Controls.Add(mtp); nmd.Dispose(); } }