/// <summary>
/// Displays the values in an attribute collection.
/// </summary>
public void ShowDialog(TsCHdaServer server, OpcClientSdk.Hda.TsCHdaAttributeValueCollection values)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
AttributesCTRL.Initialize(server, values);
ShowDialog();
}
/// <summary>
/// Displays the values of an attribute.
/// </summary>
public void Initialize(TsCHdaServer server, OpcClientSdk.Hda.TsCHdaAttributeValueCollection values)
{
m_server = server;
AttributesLV.Items.Clear();
if (values != null)
{
foreach (OpcClientSdk.Hda.TsCHdaAttributeValue value in values)
{
AddListItem(value);
}
AdjustColumns();
}
}
/// <summary>
/// Returns the value of the specified field.
/// </summary>
private object GetFieldValue(object attribute, int fieldID)
{
// display result code.
if (typeof(IOpcResult).IsInstanceOfType(attribute))
{
switch (fieldID)
{
case RESULT: { return(((OpcClientSdk.Hda.TsCHdaAttributeValueCollection)attribute).Result); }
}
}
// displaying attribute descriptions.
if (typeof(OpcClientSdk.Hda.TsCHdaAttribute).IsInstanceOfType(attribute))
{
if (AttributesLV.CheckBoxes)
{
switch (fieldID)
{
case NAME: { return(((OpcClientSdk.Hda.TsCHdaAttribute)attribute).Name); }
}
}
else
{
switch (fieldID)
{
case NAME: { return(((OpcClientSdk.Hda.TsCHdaAttribute)attribute).Name); }
case DATA_TYPE: { return(((OpcClientSdk.Hda.TsCHdaAttribute)attribute).DataType); }
case DESCRIPTION: { return(((OpcClientSdk.Hda.TsCHdaAttribute)attribute).Description); }
}
}
}
// displaying attribute results.
if (typeof(OpcClientSdk.Hda.TsCHdaAttributeValueCollection).IsInstanceOfType(attribute))
{
OpcClientSdk.Hda.TsCHdaAttributeValueCollection collection = (OpcClientSdk.Hda.TsCHdaAttributeValueCollection)attribute;
switch (fieldID)
{
case NAME:
{
OpcClientSdk.Hda.TsCHdaAttribute description = m_server.Attributes.Find(collection.AttributeID);
if (description != null)
{
return(description.Name);
}
return(null);
}
case NUM_VALUES:
{
if (collection.Count > 1)
{
return(collection.Count);
}
return(null);
}
case VALUE:
{
if (collection.Count == 1)
{
return(collection[0].Value);
}
return(null);
}
}
}
// displaying attribute values.
if (typeof(OpcClientSdk.Hda.TsCHdaAttributeValue).IsInstanceOfType(attribute))
{
switch (fieldID)
{
case TIMESTAMP: { return(((OpcClientSdk.Hda.TsCHdaAttributeValue)attribute).Timestamp); }
case VALUE: { return(((OpcClientSdk.Hda.TsCHdaAttributeValue)attribute).Value); }
}
}
return(null);
}
