private void 乘客ToolStripMenuItem_Click(object sender, EventArgs e) { 乘客录入 MDIChild = new 乘客录入(); MDIChild.MdiParent = this; MDIChild.Show(); }
private void toolStripButton1_Click(object sender, EventArgs e) { 乘客录入 MDIChild = new 乘客录入(); MDIChild.MdiParent = this; MDIChild.Show(); }