//粘贴卡片
void Menuitem_pastecardsClick(object sender, EventArgs e)
{
if (tCards == null)
{
return;
}
DataEditForm df = GetActive();
if (df == null)
{
return;
}
df.SaveCards(tCards);//保存卡片
MyMsg.Show(LMSG.PasteCards);
}