static public void Run(string locationPropertyName, string clientSizePropertyName)
{
if (Instance is null)
{
Instance = new CelebrationVersesBoardForm(locationPropertyName, clientSizePropertyName);
}
else
if (Instance.Visible)
{
Instance.Popup();
return;
}
Instance.Show();
Instance.ForceBringToFront();
}
private void CelebrationVersesBoardForm_FormClosed(object sender, FormClosedEventArgs e)
{
Instance = null;
}