/// <summary>
/// Bind a Trigger to the same interface the argument trigger is bound to.
/// </summary>
/// <param name="trigger">A bound Trigger. </param>
internal void Bind(Trigger trigger) {
Bind(trigger.iTaskTrigger);
}
/// <summary>
/// Add the supplied Trigger to the collection. The Trigger to be added must be unbound,
/// i.e. it must not be a current member of a TriggerList--this or any other.
/// </summary>
/// <param name="trigger">Trigger to add.</param>
/// <returns>Index of added trigger.</returns>
/// <exception cref="ArgumentException">Trigger being added is already bound.</exception>
public int Add(Trigger trigger) {
// if trigger is already bound a list throw an exception
if (trigger.Bound)
throw new ArgumentException("A Trigger cannot be added if it is already in a list.");
// Add a trigger to the task for this TaskList
ITaskTrigger iTrigger;
ushort index;
iTask.CreateTrigger(out index, out iTrigger);
// Add the Trigger to the TaskList
trigger.Bind(iTrigger);
int index2 = oTriggers.Add(trigger);
// Verify index is the same in task and in list
if (index2 != (int)index)
throw new ApplicationException("Assertion Failure");
return (int)index;
}
/// <summary>
/// Test to see if trigger is part of the collection.
/// </summary>
/// <param name="trigger">Trigger to find.</param>
/// <returns>true if trigger found in collection.</returns>
public bool Contains(Trigger trigger) {
return (IndexOf(trigger) != -1);
}
/// <summary>
/// Returns the index of the supplied Trigger.
/// </summary>
/// <param name="trigger">Trigger to find.</param>
/// <returns>Zero based index in collection, -1 if not a member.</returns>
public int IndexOf(Trigger trigger) {
for (int i = 0; i < Count; i++) {
if (this[i].Equals(trigger))
return i;
}
return -1;
}
/// <summary>
/// Removes the trigger from the collection. If the trigger is not in
/// the collection, nothing happens. (No exception.)
/// </summary>
/// <param name="trigger">Trigger to remove.</param>
public void Remove(Trigger trigger) {
int i = IndexOf(trigger);
if (i != -1)
RemoveAt(i);
}