public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, IList changedItems)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (((action != CollectionChangedNotifierAction.Add) && (action != CollectionChangedNotifierAction.Remove)) && (action != CollectionChangedNotifierAction.Reset))
{
throw new ArgumentException("Must be Reset, Add, or Remove Action for ctor", "action");
}
if (action == CollectionChangedNotifierAction.Reset)
{
if (changedItems != null)
{
throw new ArgumentException("Reset Action Requires Null Item", "action");
}
InitializeAdd(action, null, -1);
}
else
{
if (changedItems == null)
{
throw new ArgumentNullException("changedItems");
}
InitializeAddOrRemove(action, changedItems, -1);
}
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, object changedItem, int index)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (((action != CollectionChangedNotifierAction.Add) && (action != CollectionChangedNotifierAction.Remove)) && (action != CollectionChangedNotifierAction.Reset))
{
throw new ArgumentException("MustBeResetAddOrRemoveActionForCtor", "action");
}
if (action == CollectionChangedNotifierAction.Reset)
{
if (changedItem != null)
{
throw new ArgumentException("ResetActionRequiresNullItem", "action");
}
if (index != -1)
{
throw new ArgumentException("ResetActionRequiresIndexMinus1", "action");
}
InitializeAdd(action, null, -1);
}
else
{
InitializeAddOrRemove(action, new object[] { changedItem }, index);
}
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, IList changedItems, int startingIndex)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (((action != CollectionChangedNotifierAction.Add) && (action != CollectionChangedNotifierAction.Remove)) && (action != CollectionChangedNotifierAction.Reset))
{
throw new ArgumentException("MustBeResetAddOrRemoveActionForCtor", "action");
}
if (action == CollectionChangedNotifierAction.Reset)
{
if (changedItems != null)
{
throw new ArgumentException("ResetActionRequiresNullItem", "action");
}
if (startingIndex != -1)
{
throw new ArgumentException("ResetActionRequiresIndexMinus1", "action");
}
InitializeAdd(action, null, -1);
}
else
{
if (changedItems == null)
{
throw new ArgumentNullException("changedItems");
}
if (startingIndex < -1)
{
throw new ArgumentException("IndexCannotBeNegative", "startingIndex");
}
InitializeAddOrRemove(action, changedItems, startingIndex);
}
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, IList changedItems)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (((action != CollectionChangedNotifierAction.Add) && (action != CollectionChangedNotifierAction.Remove)) && (action != CollectionChangedNotifierAction.Reset))
{
throw new ArgumentException("Must be Reset, Add, or Remove Action for ctor", "action");
}
if (action == CollectionChangedNotifierAction.Reset)
{
if (changedItems != null)
{
throw new ArgumentException("Reset Action Requires Null Item", "action");
}
InitializeAdd(action, null, -1);
}
else
{
if (changedItems == null)
{
throw new ArgumentNullException("changedItems");
}
InitializeAddOrRemove(action, changedItems, -1);
}
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, object newItem, object oldItem, int index)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (action != CollectionChangedNotifierAction.Replace)
{
throw new ArgumentException("WrongActionForCtor", "action");
}
InitializeMoveOrReplace(action, new object[] { newItem }, new object[] { oldItem }, index, index);
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (action != CollectionChangedNotifierAction.Reset)
{
throw new ArgumentException("WrongActionForCtor", "action");
}
InitializeAdd(action, null, -1);
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (action != CollectionChangedNotifierAction.Reset)
{
throw new ArgumentException("WrongActionForCtor", "action");
}
InitializeAdd(action, null, -1);
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, IList changedItems, int index, int oldIndex)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (action != CollectionChangedNotifierAction.Move)
{
throw new ArgumentException("WrongActionForCtor", "action");
}
if (index < 0)
{
throw new ArgumentException("IndexCannotBeNegative", "index");
}
InitializeMoveOrReplace(action, changedItems, changedItems, index, oldIndex);
}
private void InitializeAddOrRemove(CollectionChangedNotifierAction action, IList changedItems, int startingIndex)
{
if (action == CollectionChangedNotifierAction.Add)
{
InitializeAdd(action, changedItems, startingIndex);
}
else if (action == CollectionChangedNotifierAction.Remove)
{
InitializeRemove(action, changedItems, startingIndex);
}
else
{
throw new ArgumentException("Unsupported action: {0}", action.ToString());
}
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, IList newItems, IList oldItems, int startingIndex)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (action != CollectionChangedNotifierAction.Replace)
{
throw new ArgumentException("WrongActionForCtor", "action");
}
if (newItems == null)
{
throw new ArgumentNullException("newItems");
}
if (oldItems == null)
{
throw new ArgumentNullException("oldItems");
}
InitializeMoveOrReplace(action, newItems, oldItems, startingIndex, startingIndex);
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, IList changedItems, int startingIndex)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (((action != CollectionChangedNotifierAction.Add) && (action != CollectionChangedNotifierAction.Remove)) && (action != CollectionChangedNotifierAction.Reset))
{
throw new ArgumentException("MustBeResetAddOrRemoveActionForCtor", "action");
}
if (action == CollectionChangedNotifierAction.Reset)
{
if (changedItems != null)
{
throw new ArgumentException("ResetActionRequiresNullItem", "action");
}
if (startingIndex != -1)
{
throw new ArgumentException("ResetActionRequiresIndexMinus1", "action");
}
InitializeAdd(action, null, -1);
}
else
{
if (changedItems == null)
{
throw new ArgumentNullException("changedItems");
}
if (startingIndex < -1)
{
throw new ArgumentException("IndexCannotBeNegative", "startingIndex");
}
InitializeAddOrRemove(action, changedItems, startingIndex);
}
}
private void InitializeRemove(CollectionChangedNotifierAction action, IList oldItems, int oldStartingIndex)
{
_action = action;
_oldItems = (oldItems == null) ? null : ArrayList.ReadOnly(oldItems);
_oldStartingIndex = oldStartingIndex;
}
private void InitializeMoveOrReplace(CollectionChangedNotifierAction action, IList newItems, IList oldItems, int startingIndex, int oldStartingIndex)
{
InitializeAdd(action, newItems, startingIndex);
InitializeRemove(action, oldItems, oldStartingIndex);
}
private void InitializeAddOrRemove(CollectionChangedNotifierAction action, IList changedItems, int startingIndex)
{
if (action == CollectionChangedNotifierAction.Add)
{
InitializeAdd(action, changedItems, startingIndex);
}
else if (action == CollectionChangedNotifierAction.Remove)
{
InitializeRemove(action, changedItems, startingIndex);
}
else
{
throw new ArgumentException("Unsupported action: {0}", action.ToString());
}
}
private void InitializeAdd(CollectionChangedNotifierAction action, IList newItems, int newStartingIndex)
{
_action = action;
_newItems = (newItems == null) ? null : ArrayList.ReadOnly(newItems);
_newStartingIndex = newStartingIndex;
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, object newItem, object oldItem, int index)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (action != CollectionChangedNotifierAction.Replace)
{
throw new ArgumentException("WrongActionForCtor", "action");
}
InitializeMoveOrReplace(action, new object[] { newItem }, new object[] { oldItem }, index, index);
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, object changedItem, int index, int oldIndex)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (action != CollectionChangedNotifierAction.Move)
{
throw new ArgumentException("WrongActionForCtor", "action");
}
if (index < 0)
{
throw new ArgumentException("IndexCannotBeNegative", "index");
}
object[] newItems = new object[] { changedItem };
InitializeMoveOrReplace(action, newItems, newItems, index, oldIndex);
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, IList newItems, IList oldItems, int startingIndex)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (action != CollectionChangedNotifierAction.Replace)
{
throw new ArgumentException("WrongActionForCtor", "action");
}
if (newItems == null)
{
throw new ArgumentNullException("newItems");
}
if (oldItems == null)
{
throw new ArgumentNullException("oldItems");
}
InitializeMoveOrReplace(action, newItems, oldItems, startingIndex, startingIndex);
}
public NotifyCollectionChangedEventArgs(CollectionChangedNotifierAction action, object changedItem, int index)
{
_newStartingIndex = -1;
_oldStartingIndex = -1;
if (((action != CollectionChangedNotifierAction.Add) && (action != CollectionChangedNotifierAction.Remove)) && (action != CollectionChangedNotifierAction.Reset))
{
throw new ArgumentException("MustBeResetAddOrRemoveActionForCtor", "action");
}
if (action == CollectionChangedNotifierAction.Reset)
{
if (changedItem != null)
{
throw new ArgumentException("ResetActionRequiresNullItem", "action");
}
if (index != -1)
{
throw new ArgumentException("ResetActionRequiresIndexMinus1", "action");
}
InitializeAdd(action, null, -1);
}
else
{
InitializeAddOrRemove(action, new object[] { changedItem }, index);
}
}
private void InitializeRemove(CollectionChangedNotifierAction action, IList oldItems, int oldStartingIndex)
{
_action = action;
_oldItems = (oldItems == null) ? null : ArrayList.ReadOnly(oldItems);
_oldStartingIndex = oldStartingIndex;
}
private void InitializeMoveOrReplace(CollectionChangedNotifierAction action, IList newItems, IList oldItems, int startingIndex, int oldStartingIndex)
{
InitializeAdd(action, newItems, startingIndex);
InitializeRemove(action, oldItems, oldStartingIndex);
}
private void InitializeAdd(CollectionChangedNotifierAction action, IList newItems, int newStartingIndex)
{
_action = action;
_newItems = (newItems == null) ? null : ArrayList.ReadOnly(newItems);
_newStartingIndex = newStartingIndex;
}
