private bool SearchAndRemoveFromLinkedList(GraphicalEffect listHead, GraphicalEffect removed) {
while (listHead.HasNextEffect()) {
if (listHead.GetNextEffect() == removed) {
listHead.RemoveNextEffect();
return true;
} else {
listHead = listHead.GetNextEffect();
}
}
return false;
}
private bool SearchAndRemoveFromLinkedList(GraphicalEffect listHead, GraphicalEffect removed)
{
while (listHead.HasNextEffect())
{
if (listHead.GetNextEffect() == removed)
{
listHead.RemoveNextEffect();
return(true);
}
else
{
listHead = listHead.GetNextEffect();
}
}
return(false);
}
public bool Unschedule(GraphicalEffect effect) {
bool found = false;
foreach (KeyValuePair<float, GraphicalEffect> kvp in events)
{
if (kvp.Value == effect) {
events.Remove(kvp.Key);
found = true;
if (effect.HasNextEffect()) {
events.Add(kvp.Key, effect.GetNextEffect());
}
} else if (SearchAndRemoveFromLinkedList(kvp.Value, effect)){
found = true;
}
}
return found;
}
public bool Unschedule(GraphicalEffect effect)
{
bool found = false;
foreach (KeyValuePair <float, GraphicalEffect> kvp in events)
{
if (kvp.Value == effect)
{
events.Remove(kvp.Key);
found = true;
if (effect.HasNextEffect())
{
events.Add(kvp.Key, effect.GetNextEffect());
}
}
else if (SearchAndRemoveFromLinkedList(kvp.Value, effect))
{
found = true;
}
}
return(found);
}