BaseCollection

BaseCollection

protected BaseCollection(TCollection innerCollection)

baseCollection = BaseCollection(innerCollection)

Initializes a new instance of the BaseCollection class with the specified inner collection.

innerCollection

The inner collection to manage.

CheckNullableItems

public bool CheckNullableItems { get; set; }

value = baseCollection.CheckNullableItems
baseCollection.CheckNullableItems = value

Gets or sets a value indicating whether to check for null items in the collection.

Count

public virtual int Count { get; }

value = baseCollection.Count

Gets the number of items in the collection.

InnerCollection

protected TCollection InnerCollection { get; }

value = baseCollection.InnerCollection

Gets the inner collection that stores the items.

IsReadOnly

public virtual bool IsReadOnly { get; }

value = baseCollection.IsReadOnly

Gets a value indicating whether the collection is read-only.

Item

public virtual TItem Item { get; set; }

value = baseCollection.Item
baseCollection.Item = value

Gets or sets the item at the specified index.

index

The zero-based index of the item.

返回值: The item at the specified index.

System#Collections#ICollection#IsSynchronized

Gets a value indicating whether the collection is synchronized (non-generic). Always returns false.

System#Collections#ICollection#SyncRoot

Gets the synchronization root object (non-generic). Returns the current instance.

System#Collections#IList#IsFixedSize

Gets a value indicating whether the collection has a fixed size (non-generic). Always returns false.

System#Collections#IList#IsReadOnly

Gets a value indicating whether the collection is read-only (non-generic).

System#Collections#IList#Item

Gets or sets the item at the specified index (non-generic).

index

The zero-based index of the item.

返回值: The item at the specified index.

Add

public virtual void Add(TItem item)

baseCollection.Add(item)

Adds an item to the collection.

item

The item to add.

CheckIndex

private void CheckIndex(int index)

baseCollection.CheckIndex(index)

Validates the specified index to ensure it is within the valid range.

index

The index to check.

Clear

public virtual void Clear()

baseCollection.Clear()

Removes all items from the collection.

Contains

public virtual bool Contains(TItem item)

result = baseCollection.Contains(item)

Determines whether the collection contains a specific item.

item

The item to locate.

返回值: True if the item is found; otherwise, false.

CopyTo

public void CopyTo(TItem[] array, int index)

baseCollection.CopyTo(array, index)

Copies the elements of the collection to an array.

array

The destination array.

index

The zero-based index in the array at which copying begins.

GetEnumerator

public virtual IEnumerator<TItem> GetEnumerator()

result = baseCollection.GetEnumerator()

Returns an enumerator that iterates through the collection.

返回值: An enumerator for the collection.

IndexOf

public abstract int IndexOf(TItem item)

result = baseCollection.IndexOf(item)

Returns the index of the specified item in the collection.

item

The item to locate.

返回值: The zero-based index of the item, or -1 if not found.

Insert

public virtual void Insert(int index, TItem item)

baseCollection.Insert(index, item)

Inserts an item into the collection at the specified index.

index

The zero-based index at which to insert the item.

item

The item to insert.

IsCompatible

private static bool IsCompatible(object value)

result = BaseCollection.IsCompatible(value)

Determines whether a value is compatible with the collection's item type.

value

The value to check.

返回值: True if the value is compatible; otherwise, false.

OnAdd

protected virtual void OnAdd(TItem item)

baseCollection.OnAdd(item)

Adds an item to the inner collection.

item

The item to add.

OnAdded

protected virtual void OnAdded(TItem item)

baseCollection.OnAdded(item)

Invokes the Added event and notifies of a change after adding an item.

item

The added item.

OnAdding

protected virtual bool OnAdding(TItem item)

result = baseCollection.OnAdding(item)

Invokes the Adding event before adding an item.

item

The item to add.

返回值: True if the addition should proceed; otherwise, false.

OnChanged

protected virtual void OnChanged()

baseCollection.OnChanged()

Invokes the Changed event to notify of a modification in the collection.

OnClear

protected virtual void OnClear()

baseCollection.OnClear()

Removes all items from the inner collection.

OnCleared

protected virtual void OnCleared()

baseCollection.OnCleared()

Invokes the Cleared event and notifies of a change after clearing the collection.

OnClearing

protected virtual bool OnClearing()

result = baseCollection.OnClearing()

Invokes the Clearing event before clearing the collection.

返回值: True if the clearing should proceed; otherwise, false.

OnGetItem

protected abstract TItem OnGetItem(int index)

result = baseCollection.OnGetItem(index)

Retrieves an item at the specified index from the inner collection.

index

The zero-based index of the item to retrieve.

返回值: The item at the specified index.

OnInsert

protected abstract void OnInsert(int index, TItem item)

baseCollection.OnInsert(index, item)

Inserts an item into the inner collection at the specified index.

index

The zero-based index at which to insert the item.

item

The item to insert.

OnInserted

protected virtual void OnInserted(int index, TItem item)

baseCollection.OnInserted(index, item)

Invokes the Inserted event and notifies of a change after inserting an item.

index

The zero-based index at which the item was inserted.

item

The inserted item.

OnInserting

protected virtual bool OnInserting(int index, TItem item)

result = baseCollection.OnInserting(index, item)

Invokes the Inserting event before inserting an item.

index

The zero-based index at which to insert the item.

item

The item to insert.

返回值: True if the insertion should proceed; otherwise, false.

OnRemove

protected virtual bool OnRemove(TItem item)

result = baseCollection.OnRemove(item)

Removes an item from the inner collection.

item

The item to remove.

返回值: True if the item was removed; otherwise, false.

OnRemoveAt

protected abstract void OnRemoveAt(int index)

baseCollection.OnRemoveAt(index)

Removes an item from the inner collection at the specified index.

index

The zero-based index of the item to remove.

OnRemoved

protected virtual void OnRemoved(TItem item)

baseCollection.OnRemoved(item)

Invokes the Removed event and notifies of a change after removing an item.

item

The removed item.

OnRemovedAt

protected virtual void OnRemovedAt(int index)

baseCollection.OnRemovedAt(index)

Invokes the RemovedAt event and notifies of a change after removing an item at the specified index.

index

The zero-based index of the removed item.

OnRemoving

protected virtual bool OnRemoving(TItem item)

result = baseCollection.OnRemoving(item)

Invokes the Removing event before removing an item.

item

The item to remove.

返回值: True if the removal should proceed; otherwise, false.

OnRemovingAt

protected virtual bool OnRemovingAt(int index)

result = baseCollection.OnRemovingAt(index)

Invokes the RemovingAt event before removing an item at the specified index.

index

The zero-based index of the item to remove.

返回值: True if the removal should proceed; otherwise, false.

Remove

public virtual bool Remove(TItem item)

result = baseCollection.Remove(item)

Removes the specified item from the collection.

item

The item to remove.

返回值: True if the item was removed; otherwise, false.

RemoveAt

public virtual void RemoveAt(int index)

baseCollection.RemoveAt(index)

Removes the item at the specified index.

index

The zero-based index of the item to remove.

System#Collections#ICollection#CopyTo(Array, int)

Copies the elements of the collection to an array (non-generic).

array

The destination array.

index

The zero-based index in the array at which copying begins.

System#Collections#IEnumerable#GetEnumerator()

Returns an enumerator that iterates through the collection (non-generic version).

返回值: An enumerator for the collection.

System#Collections#IList#Add(object)

Adds a value to the collection (non-generic).

value

The value to add.

返回值: The new count of items in the collection.

System#Collections#IList#Clear()

Removes all items from the collection (non-generic).

System#Collections#IList#Contains(object)

Determines whether the collection contains a specific value (non-generic).

value

The value to locate.

返回值: True if the value is found and compatible; otherwise, false.

System#Collections#IList#IndexOf(object)

Returns the index of a specific value in the collection (non-generic).

value

The value to locate.

返回值: The zero-based index of the value, or -1 if not found or incompatible.

System#Collections#IList#Insert(int, object)

Inserts a value into the collection at the specified index (non-generic).

index

The zero-based index at which to insert the value.

value

The value to insert.

System#Collections#IList#Remove(object)

Removes a specific value from the collection (non-generic).

value

The value to remove.

System#Collections#IList#RemoveAt(int)

Removes the item at the specified index (non-generic).

index

The zero-based index of the item to remove.

Added

public event Action<TItem> Added

baseCollection.Added += handler

Occurs after an item has been added to the collection.

Adding

public event Func<TItem, bool> Adding

baseCollection.Adding += handler

Occurs before an item is added to the collection.

Changed

public event Action Changed

baseCollection.Changed += handler

Occurs when the collection has been modified.

Cleared

public event Action Cleared

baseCollection.Cleared += handler

Occurs after the collection has been cleared.

Clearing

public event Func<bool> Clearing

baseCollection.Clearing += handler

Occurs before the collection is cleared.

Inserted

public event Action<int, TItem> Inserted

baseCollection.Inserted += handler

Occurs after an item has been inserted at the specified index.

Inserting

public event Func<int, TItem, bool> Inserting

baseCollection.Inserting += handler

Occurs before an item is inserted at the specified index.

Removed

public event Action<TItem> Removed

baseCollection.Removed += handler

Occurs after an item has been removed from the collection.

RemovedAt

public event Action<int> RemovedAt

baseCollection.RemovedAt += handler

Occurs after an item has been removed at the specified index.

Removing

public event Func<TItem, bool> Removing

baseCollection.Removing += handler

Occurs before an item is removed from the collection.

RemovingAt

public event Func<int, bool> RemovingAt

baseCollection.RemovingAt += handler

Occurs before an item is removed at the specified index.