/// <summary>
/// Writes the values.
/// </summary>
private void WriteValues()
{
try
{
// Prepare call to ClientAPI.
List <WriteValue> nodesToWrite = new List <WriteValue>();
List <StatusCode> results = null;
int index = 0;
List <int> lstUsedIndex = new List <int>();
// fill write values
foreach (ListViewItem item in this.listView.Items)
{
WriteValueInfo writeValInfo = item.Tag as WriteValueInfo;
if (writeValInfo.AttributesRead == true && writeValInfo.Error == false)
{
try
{
// convert string to type
if (writeValInfo.ValueRank == ValueRanks.Scalar)
{
DataValue dataValue = new DataValue();
dataValue.Value = TypeUtils.Cast(this.listView.Items[index].SubItems[0].Text, writeValInfo.DataType);
nodesToWrite.Add(new WriteValue()
{
NodeId = writeValInfo.NodeId,
Value = dataValue,
AttributeId = Attributes.Value
});
lstUsedIndex.Add(index);
}
else if (writeValInfo.ValueRank == ValueRanks.OneDimension)
{
DataValue dataValue = new DataValue();
dataValue.Value = TypeUtils.Cast(this.listView.Items[index].SubItems[0].Text, writeValInfo.DataType);
nodesToWrite.Add(new WriteValue()
{
NodeId = writeValInfo.NodeId,
Value = dataValue,
AttributeId = Attributes.Value
});
lstUsedIndex.Add(index);
}
}
catch (Exception exception)
{
this.listView.Items[index].SubItems[0].Text = exception.Message;
}
}
index++;
}
// Call to ClientAPI.
results = m_Session.Write(
nodesToWrite,
null);
// Update status label.
lblStatus.Text = "Writing values succeeded.";
}
catch (Exception e)
{
// Update status label.
lblStatus.Text = "An exception occured while writing values: " + e.Message;
}
}
/// <summary>
/// Loads the configuration for the system.
/// </summary>
private void Load()
{
foreach (string resourceName in Assembly.GetExecutingAssembly().GetManifestResourceNames())
{
if (resourceName.EndsWith(".SystemConfiguration.xml"))
{
using (Stream istrm = Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName))
{
XmlSerializer serializer = new XmlSerializer(typeof(Configuration));
m_configuration = (Configuration)serializer.Deserialize(istrm);
}
}
}
if (m_configuration.Controllers != null)
{
for (int ii = 0; ii < m_configuration.Controllers.Length; ii++)
{
ControllerConfiguration controller = m_configuration.Controllers[ii];
int blockAddress = m_position;
int offset = m_position - blockAddress;
BlockConfiguration data = new BlockConfiguration()
{
Address = blockAddress,
Name = controller.Name,
Type = controller.Type,
Properties = new List <BlockProperty>()
};
if (controller.Properties != null)
{
for (int jj = 0; jj < controller.Properties.Length; jj++)
{
ControllerProperty property = controller.Properties[jj];
NodeId dataTypeId = NodeId.Parse(property.DataType);
string value = property.Value;
Range range = null;
if (!String.IsNullOrEmpty(property.Range))
{
try
{
NumericRange nr = NumericRange.Parse(property.Range);
range = new Range()
{
High = nr.End, Low = nr.Begin
};
}
catch (Exception)
{
range = null;
}
}
data.Properties.Add(new BlockProperty()
{
Offset = offset,
Name = controller.Properties[jj].Name,
DataType = dataTypeId,
Writeable = controller.Properties[jj].Writeable,
Range = range
});
switch ((uint)dataTypeId.Identifier)
{
case DataTypes.Int32:
{
Write(blockAddress, offset, (int)TypeUtils.Cast(value, BuiltInType.Int32));
offset += 4;
break;
}
case DataTypes.Double:
{
Write(blockAddress, offset, (double)TypeUtils.Cast(value, BuiltInType.Double));
offset += 4;
break;
}
}
}
}
m_position += offset;
m_blocks[blockAddress] = data;
}
}
}