/// <summary>
/// Returns copy of the item.
///
/// This routine is called to propagate the item
/// within each view (both in the same view as well as
/// across multiple views in multi-user displays)
/// </summary>
public override BaseItem Copy()
{
NoteCustomItem objCopy = new NoteCustomItem();
CopyToItem(objCopy);
return(objCopy);
}
/// <summary>
/// Copies the CustomCalendarItem specific properties
/// to new instance of the item
/// </summary>
/// <param name="copy">New CustomCalendarItem instance</param>
protected override void CopyToItem(BaseItem copy)
{
NoteCustomItem objCopy = copy as NoteCustomItem;
base.CopyToItem(objCopy);
// All private data that you want to carried
// forward, needs to be propagated here
objCopy._Image = this._Image;
}
/// <summary>
/// Handles TextChange events for the BaseCalendarItem
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void BaseCalendarItem_TextChanged(object sender, EventArgs e)
{
NoteCustomItem nci = BaseCalendarItem as NoteCustomItem;
if (nci != null)
{
Text = nci.Text;
Refresh();
}
}
/// <summary>
/// Handles TextChanged events for the specific item.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void ItemTextChanged(object sender, EventArgs e)
{
NoteCustomItem nci = BaseCalendarItem as NoteCustomItem;
// Propagate the event to all other potential versions
// via the BaseCalendarItem
if (nci != null)
{
nci.Text = Text;
}
}
/// <summary>
/// Hooks or unhooks our BaseCalendarItem events.
///
/// In order to keep all displayed items "in-sync", it is necessary
/// to propagate data to and from the BaseCalendarItem. This is
/// accomplished via hooking those members you are interested in, at
/// both the item (HookEvents) and BaseCalendarItem (HookBaseEvents)
/// level.
/// </summary>
/// <param name="hook">true to hook, false to unhook</param>
private void HookBaseEvents(bool hook)
{
NoteCustomItem nci = BaseCalendarItem as NoteCustomItem;
if (nci != null)
{
if (hook == true)
{
nci.TextChanged +=
new EventHandler(BaseCalendarItem_TextChanged);
}
else
{
nci.TextChanged -=
new EventHandler(BaseCalendarItem_TextChanged);
}
}
}