private void RemoveCallBack(ref Dictionary <T, EventCallBackFunction> target, T key, EventCallBackFunction cbFunction)
{
if (!target.ContainsKey(key))
{
return;
}
else
{
target[key] -= cbFunction;
}
}
private void AddCallBack(ref Dictionary <T, EventCallBackFunction> target, T key, EventCallBackFunction cbFunction)
{
if (!target.ContainsKey(key))
{
target.Add(key, cbFunction);
}
else
{
target[key] += cbFunction;
}
}
/// <param name="atPoint">-1, 0, 1</param>
public void RemoveEventCallBackFunction(T key, EventCallBackFunction cbFunction, int atPoint = 0)
{
if (atPoint < -1 || atPoint > 1)
{
throw new IndexOutOfRangeException("-1 <= atPoint <=1");
}
switch (atPoint)
{
case -1:
RemoveCallBack(ref callBackFunctionListBefore, key, cbFunction);
break;
case 0:
RemoveCallBack(ref callBackFunctionList, key, cbFunction);
break;
case 1:
RemoveCallBack(ref callBackFunctionListAfter, key, cbFunction);
break;
}
}
