/// <summary>
/// Additional actions to be taken on connecting DataSource
/// </summary>
/// <param name="aTarget">
/// Target object <see cref="System.Object"/>
/// </param>
/// <remarks>
/// Connect all the messaging derived adaptors need here
/// </remarks>
internal override void OnDataSourceConnect(object aTarget)
{
base.OnDataSourceConnect(aTarget);
if (aTarget == null)
{
return;
}
if (aTarget is IListEvents)
{
IListEvents list = (aTarget as IListEvents);
list.ListChanged += OnListChanged;
list.ElementAdded += OnElementAdded;
list.ElementChanged += OnElementChanged;
list.ElementRemoved += OnElementRemoved;
list.ElementsSorted += OnElementsSorted;
list = null;
}
else if (aTarget is IBindingList)
{
Console.WriteLine("DataSourceConnect to IBindingList");
(aTarget as IBindingList).ListChanged += IBindingListChangedHandler;
}
// else if (aTarget is System.Data.DataTable) {
// Console.WriteLine ("DataSourceConnect to DataTable");
// }
// else
// Console.WriteLine ("DataSourceConnect (Target=" + aTarget + ")");
}
/// <summary>
/// Additional actions to be taken on disconnecting DataSource
/// </summary>
/// <param name="aTarget">
/// Target object <see cref="System.Object"/>
/// </param>
/// <remarks>
/// Disconnect all the messaging derived adaptors need here
/// </remarks>
internal override void OnDataSourceDisconnect(object aTarget)
{
base.OnDataSourceDisconnect(aTarget);
if (aTarget == null)
{
return;
}
if (aTarget is IListEvents)
{
IListEvents list = (aTarget as IListEvents);
// No need to connect OnListChanged when taking the Adaptor DataSource
// Should be used from different approach forms from software
list.ListChanged -= OnListChanged;
list.ElementAdded -= OnElementAdded;
list.ElementChanged -= OnElementChanged;
list.ElementRemoved -= OnElementRemoved;
list.ElementsSorted -= OnElementsSorted;
list = null;
}
else if (aTarget is IBindingList)
{
// Console.WriteLine ("DataSourceDisconnect from IBindingList");
(aTarget as IBindingList).ListChanged -= IBindingListChangedHandler;
}
else if (aTarget is System.Data.DataTable)
{
// Console.WriteLine ("DataSourceDisconnect from DataTable");
(aTarget as DataTable).RowDeleted += delegate(object sender, DataRowChangeEventArgs e) {
};
}
// else if (aTarget is System.Data.DataTable) {
// Console.WriteLine ("DataSourceDisconnect to DataTable");
// }
// else
// Console.WriteLine ("DataSourceDisconnect (Target=" + aTarget + ")");
}
