private void checkLockModifyChangeAction(DictionaryChangeAction collectionChangeAction)
{
if (lockModifyChangeActionsKeys.ContainsKey(collectionChangeAction))
{
throw new ObservableComputationsException(this,
"Modifying of '{collectionChangeAction.ToString()}' change action is locked. Unlock first.");
}
}
public void LockModifyChangeAction(DictionaryChangeAction collectionChangeAction, object key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (!lockModifyChangeActionsKeys.ContainsKey(collectionChangeAction))
{
lockModifyChangeActionsKeys[collectionChangeAction] = key;
}
else
{
throw new ObservableComputationsException(this,
$"Modifying of '{collectionChangeAction.ToString()}' change action is already locked. Unlock first.");
}
}
public void UnlockModifyChangeAction(DictionaryChangeAction collectionChangeAction, object key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (!lockModifyChangeActionsKeys.ContainsKey(collectionChangeAction))
{
throw new ObservableComputationsException(this,
"Modifying of '{collectionChangeAction.ToString()}' change action is not locked. Lock first.");
}
if (ReferenceEquals(lockModifyChangeActionsKeys[collectionChangeAction], key))
{
lockModifyChangeActionsKeys.Remove(collectionChangeAction);
}
else
{
throw new ObservableComputationsException(this,
"Wrong key to unlock modifying of '{collectionChangeAction.ToString()}' change action.");
}
}
public bool IsModifyChangeActionLocked(DictionaryChangeAction collectionChangeAction)
{
return(lockModifyChangeActionsKeys.ContainsKey(collectionChangeAction));
}
