private void SetDataGrid(DataTableCollection data)
{
if (this.cbParameter.InvokeRequired)
{
SetDataGridCallback d = new SetDataGridCallback(SetDataGrid);
this.Invoke(d, new object[] { data });
}
else
{
if (data != null)
{
dataGridView1.DataSource = data[0];
}
else
{
dataGridView1.DataSource = data;
}
}
}
private void getSnapshot(object obj)
{
List <PIPoint> p = obj as List <PIPoint>;
SetDataGridCallback _dataGridCallback = new SetDataGridCallback(SetDataTable);
PIDataPipe pipe = new PIDataPipe(AFDataPipeType.Archive);
pipe.AddSignups(p);
//_dt.Rows.Clear();
_dt = new DataTable();
_dt.Columns.Add("Tag", typeof(string));
_dt.Columns.Add("Timestamp", typeof(DateTime));
_dt.Columns.Add("Value", typeof(object));
_dt.Columns.Add("UOM", typeof(string));
_dt.Columns.Add("Annotation", typeof(string));
_dt.Columns.Add("CheckBox", typeof(bool));
_dt.Columns.Add("Message", typeof(string));
PIPointList piPointList = new PIPointList();
piPointList.AddRange(p);
AFValues afValues = new AFValues();
foreach (var piPoint in piPointList)
{
afValues.Add(piPoint.CurrentValue());
}
foreach (var afValue in afValues)
{
_dt.Rows.Add(afValue.PIPoint.Name, (DateTime)afValue.Timestamp.LocalTime, afValue.Value, afValue.PIPoint.GetAttribute(PICommonPointAttributes.EngineeringUnits), afValue.GetAnnotation(), false, string.Empty);
}
this.Invoke(_dataGridCallback, _dt);
while (chkShowSnapshot.Checked == true)
{
AFListResults <PIPoint, AFDataPipeEvent> pipeConstants = pipe.GetUpdateEvents(5000);
foreach (AFDataPipeEvent pipeEvent in pipeConstants)
{
foreach (DataRow row in _dt.Rows)
{
if (row["Tag"] == pipeEvent.Value.PIPoint.Name)
{
row["Timestamp"] = pipeEvent.Value.Timestamp.LocalTime;
row["Value"] = pipeEvent.Value.Value;
row["UOM"] = pipeEvent.Value.PIPoint.GetAttribute(PICommonPointAttributes.EngineeringUnits);
row["Annotation"] = pipeEvent.Value.GetAnnotation();
}
}
}
if (this.dataGrid.InvokeRequired)
{
this.Invoke(_dataGridCallback, _dt);
}
else
{
dataGrid.DataSource = _dt;
dataGrid.Refresh();
}
}
;
pipe.Close();
pipe.Dispose();
}
