/// <summary>
/// Unregisters the previously registered data.
/// </summary>
/// <param name="data">The application data.</param>
/// <param name="name">The name of the data.</param>
/// <remarks>
/// You must specify the same <b>data</b> and <b>name</b> as when you call <b>RegisterData</b>.
/// </remarks>
public void UnregisterData(object data, string name)
{
for (int i = 0; i < FRegisteredItems.Count; i++)
{
RegDataItem item = FRegisteredItems[i];
if (item.Name == name)
{
FRegisteredItems.RemoveAt(i);
break;
}
}
DataComponentBase comp = FindDataComponent(name);
if (comp != null)
{
comp.Dispose();
}
if (data is DataSet)
{
foreach (DataTable table in (data as DataSet).Tables)
{
UnregisterData(table, name + "." + table.TableName);
}
foreach (DataRelation relation in (data as DataSet).Relations)
{
UnregisterData(relation, name + "." + relation.RelationName);
}
}
}
/// <summary>
/// Finds a data component that matches the specified reference name.
/// </summary>
/// <param name="referenceName">The name to check.</param>
/// <returns>The <b>DataComponentBase</b> object if found.</returns>
/// <remarks>
/// This method is for internal use only.
/// </remarks>
public DataComponentBase FindDataComponent(string referenceName)
{
foreach (Base c in AllObjects)
{
DataComponentBase data = c as DataComponentBase;
if (data != null && data.ReferenceName == referenceName)
{
return(data);
}
}
return(null);
}