public static PaperForm getInstance(ClosePaper ClosePaper)
{
if (instance == null)
{
instance = new PaperForm(ClosePaper);
}
instance.Show();
return(instance);
}
private void PaperForm_FormClosed(object sender, FormClosedEventArgs e)
{
instance = null;
this.ClosePaper(this.closeStr, this.exportPath);
}