private void CmdtextBox_KeyPress(object sender, KeyPressEventArgs e)
{
//8是退格13回车38方向键上
if (e.KeyChar == (char)13 && !string.IsNullOrEmpty(CmdtextBox.Text))
{
e.Handled = true;
CMDprint(chelp.CheckKey(CmdtextBox.Text));
tmpcmd = CmdtextBox.Text;
CmdtextBox.Clear();
}
}