private void 增加商品ToolStripMenuItem_Click(object sender, EventArgs e)
{
zjspForm_ zjsp = zjspForm_.Create();
zjsp.Loadevent += loadevent;
zjsp.Show();
zjsp.Focus();
}
public static zjspForm_ Create()
{
if (zjsp == null)
{
zjsp = new zjspForm_();
}
return(zjsp);
}
private void zjspForm__FormClosed(object sender, FormClosedEventArgs e)
{
zjsp = null;
}
