static public bool isContinue(string msg)
{
FormCaution cc = new FormCaution(msg);
cc.cancel.Focus();
return(cc.ShowDialog() == DialogResult.OK);
}
static public bool isDeleteConfirmed()
{
FormCaution cc = new FormCaution("ȷ��Ҫɾ��?");
return(cc.ShowDialog() == DialogResult.OK);
}