viewdll.dll

void VD_API VdBroadWinAlmAck(struct VIEWDLL_ID *id);

Bwdllobj

Public Sub AlmAck(id As Object)

C#

Void AlmAck(Object id);

private void btnAckAlarm_Click(object sender, EventArgs e)

{

    if (lbAlarm.SelectedIndex <= 0)

                 return;

    object TagId = ViewDllWrap.GetId(lbAlarm.SelectedItem.ToString());

    ViewDllWrap.AlmAck(TagId);

    System.Threading.Thread.Sleep(100);

    btnGetAlarmList_Click(null, null);

}