private void progToolStripMenuItem_Click(object sender, EventArgs e) { var f = new Frm_HelloWord(); f.MdiParent = this; f.Show(); }
private void progToolStripMenuItem_Click(object sender, EventArgs e) { var f = new Frm_HelloWord(); f.ShowDialog(); }
private void Btn_HelloWorld_Click(object sender, EventArgs e) { var f = new Frm_HelloWord(); f.ShowDialog(); }