private void helloWordToolStripMenuItem_Click(object sender, EventArgs e)
{
FormHelloWorld helloWorld = new FormHelloWorld();
helloWorld.MdiParent = this;
helloWorld.Show();
//helloWorld.ShowDialog();
}
private void BtnHelloWorld_Click(object sender, EventArgs e)
{
FormHelloWorld helloWorld = new FormHelloWorld();
helloWorld.ShowDialog();
}
