How to hide the form after clicking the "Open" button in the OpenFileDialog?

Question

WPF

How can I hide the current window after the user clicks the "Open" button in the OpenFileDialog?

OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.ShowDialog();

Answer 1

if (openFileDialog1.ShowDialog() == true)
{
    this.Hide();
}

Answer 2

if (ofd.ShowDialog() == true)
{
    Opacity = 0f;
}

Opacity = 1.0f;