private void bài19ToolStripMenuItem_Click(object sender, EventArgs e) { Bai19 bai19 = new Bai19(); bai19.MdiParent = this; bai19.Show(); }
public MDIParent1() { InitializeComponent(); Bai19 bai19 = new Bai19(); bai19.MdiParent = this; bai19.Show(); Bai19 bai191 = new Bai19(); bai191.MdiParent = this; bai191.Show(); Bai19 bai192 = new Bai19(); bai192.MdiParent = this; bai192.Show(); }
private void button13_Click(object sender, EventArgs e) { Bai19 bai19 = new Bai19(); bai19.Show(); }