> For the complete documentation index, see [llms.txt](https://docs.wisej.com/extensions/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wisej.com/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.eventcollection.md).

# EventCollection

Namespace: **Wisej.Web.Ext.FullCalendar**

Assembly: **Wisej.Web.Ext.FullCalendar** (3.2.0.0)

Collection of [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) objects.

{% tabs %}
{% tab title="C#" %}

```csharp
public class EventCollection : IList<Event>, ICollection<Event>, IEnumerable<Event>, IEnumerable
```

{% endtab %}

{% tab title="VB.NET" %}

```visual-basic
Public Class EventCollection
    Inherits IList(Of [Event])
    Implements ICollection(Of [Event]), IEnumerable(Of [Event]), IEnumerable
```

{% endtab %}
{% endtabs %}

## Properties

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Count

[Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32): Returns the number of [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) objects in the collection.

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Item(index)

[Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md): Returns or sets the [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) at the specified position.

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Item(id)

[Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md): Returns or sets the [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) identified by the ID.

## Methods

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Add(day)

Adds a new all-day [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) to the collection.

| Parameter | Type                                                                    | Description                                                                                            |
| --------- | ----------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------ |
| **day**   | [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) | The [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) date of the all-day event. |

**Returns:** [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md). The newly added all-day [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md).

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Add(start, end)

Add a new [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md).

| Parameter | Type                                                                    | Description                                                                                                      |
| --------- | ----------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- |
| **start** | [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) | The starting [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) date and time of the event. |
| **end**   | [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) | The ending [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) date and time of the event.   |

**Returns:** [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md). The newly added [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md).

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Add(start, duration)

Add a new [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md).

| Parameter    | Type                                                                    | Description                                                                                                      |
| ------------ | ----------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- |
| **start**    | [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) | The starting [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) date and time of the event. |
| **duration** | [TimeSpan](https://docs.microsoft.com/en-us/dotnet/api/system.timespan) | The [TimeSpan](https://docs.microsoft.com/en-us/dotnet/api/system.timespan) duration of the event.               |

**Returns:** [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md). The newly added [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md).

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Add(id, day)

Add a new [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md).

| Parameter | Type                                                                    | Description                                                                                            |
| --------- | ----------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------ |
| **id**    | [String](https://docs.microsoft.com/en-us/dotnet/api/system.string)     | A string that represents the ID of this event.                                                         |
| **day**   | [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) | The [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) date of the all-day event. |

**Returns:** [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md). The newly added [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md).

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Add(id, start, end)

Add a new [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md).

| Parameter | Type                                                                    | Description                                                                                                      |
| --------- | ----------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- |
| **id**    | [String](https://docs.microsoft.com/en-us/dotnet/api/system.string)     | A string that represents the ID of this event.                                                                   |
| **start** | [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) | The starting [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) date and time of the event. |
| **end**   | [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) | The ending [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) date and time of the event.   |

**Returns:** [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md). The newly added [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md).

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Add(id, start, duration)

Add a new [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md).

| Parameter    | Type                                                                    | Description                                                                                                      |
| ------------ | ----------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- |
| **id**       | [String](https://docs.microsoft.com/en-us/dotnet/api/system.string)     | A string that represents the ID of this event.                                                                   |
| **start**    | [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) | The starting [DateTime](https://docs.microsoft.com/en-us/dotnet/api/system.datetime) date and time of the event. |
| **duration** | [TimeSpan](https://docs.microsoft.com/en-us/dotnet/api/system.timespan) | The [TimeSpan](https://docs.microsoft.com/en-us/dotnet/api/system.timespan) duration of the event.               |

**Returns:** [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md). The newly added [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md).

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Add(ev)

Adds a new [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) to the collection.

| Parameter | Type                                                                                 | Description                                                                                                        |
| --------- | ------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------ |
| **ev**    | [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) | The [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) to add to the collection. |

### ![](/files/-MirBsnmjWIxMsN8l0Ms)AddRange(list)

Adds the list of [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) items to the collection.

| Parameter | Type                                                                                                      | Description                                  |
| --------- | --------------------------------------------------------------------------------------------------------- | -------------------------------------------- |
| **list**  | [ICollection\<Event>](https://docs.microsoft.com/en-us/dotnet/api/system.collections.generic.icollection) | The list of events to add to the collection. |

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Clear()

Removes all events.

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Contains(ev)

Checks if the specified [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) exists in the collection.

| Parameter | Type                                                                                 | Description                                                                                           |
| --------- | ------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------- |
| **ev**    | [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) | The [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) to look for. |

**Returns:** [Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean).

### ![](/files/-MirBsnmjWIxMsN8l0Ms)CopyTo(array, arrayIndex)

Copies all events to the specified array.

| Parameter      | Type                                                                                     | Description                           |
| -------------- | ---------------------------------------------------------------------------------------- | ------------------------------------- |
| **array**      | [Event\[\]](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) | The destination array.                |
| **arrayIndex** | [Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32)                        | The index at which to begin the copy. |

### ![](/files/-MirBsnmjWIxMsN8l0Ms)GetEnumerator()

Returns an enumerator that iterates all the [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) objects in the collection.

**Returns:** [IEnumerator\<Event>](https://docs.microsoft.com/en-us/dotnet/api/system.collections.generic.ienumerator).

### ![](/files/-MirBsnmjWIxMsN8l0Ms)IndexOf(ev)

Returns the index of the specified [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) in the collection.

| Parameter | Type                                                                                 | Description                                                                                           |
| --------- | ------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------- |
| **ev**    | [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) | The [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) to look for. |

**Returns:** [Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32).

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Insert(index, ev)

Returns the index of the [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) in the collection.

| Parameter | Type                                                                                 | Description                                                                                         |
| --------- | ------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------- |
| **index** | [Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32)                    | The position in the collection where to insert the event.                                           |
| **ev**    | [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) | The [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) to insert. |

### ![](/files/-MirBsnmjWIxMsN8l0Ms)Remove(ev)

Removes the [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) from the collection and updates the calendar.

| Parameter | Type                                                                                 | Description                                                                                         |
| --------- | ------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------- |
| **ev**    | [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) | The [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) to remove. |

**Returns:** [Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean).

### ![](/files/-MirBsnmjWIxMsN8l0Ms)RemoveAt(index)

Removes the [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) at the specified index from the collection and updates the calendar.

| Parameter | Type                                                              | Description                                                                                                      |
| --------- | ----------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- |
| **index** | [Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32) | The index of the [Event](/extensions/extensions/fullcalendar/api/wisej.web.ext.fullcalendar.event.md) to remove. |

## Events

### ![](/files/-MirBsnmjWIxMsN8l0Ms)CollectionChanged

[CollectionChangeEventHandler](https://docs.microsoft.com/en-us/dotnet/api/system.componentmodel.collectionchangeeventhandler) Fired when the collection changes.


---

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