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# CollectionSelectionChangedEventArgs `class`

## Description
A non-generic version of SelectionChangedEventArgs. This can be more generally used in other situations, and implemented by ISelectableCollection.

## Diagram
```mermaid
  flowchart LR
  classDef interfaceStyle stroke-dasharray: 5 5;
  classDef abstractStyle stroke-width:4px
  subgraph SolidShineUi
  SolidShineUi.CollectionSelectionChangedEventArgs[[CollectionSelectionChangedEventArgs]]
  end
  subgraph System
System.EventArgs[[EventArgs]]
  end
System.EventArgs --> SolidShineUi.CollectionSelectionChangedEventArgs
```

## Members
### Properties
#### Public  properties
| Type | Name | Methods |
| --- | --- | --- |
| `IEnumerable` | [`AddedItems`](#addeditems)<br>The list of items being added to the selection ("selected"). | `get` |
| `IEnumerable` | [`RemovedItems`](#removeditems)<br>The list of items being removed from the selection ("deselected"). | `get` |

## Details
### Summary
A non-generic version of SelectionChangedEventArgs. This can be more generally used in other situations, and implemented by ISelectableCollection.

### Inheritance
 - `EventArgs`

### Constructors
#### CollectionSelectionChangedEventArgs
```csharp
public CollectionSelectionChangedEventArgs(IEnumerable removedItems, IEnumerable addedItems)
```
##### Arguments
| Type | Name | Description |
| --- | --- | --- |
| `IEnumerable` | removedItems | The list of items to be removed. |
| `IEnumerable` | addedItems | The list of items to be added. |

##### Summary
Create a SelectionChangedEventArgs.

### Properties
#### AddedItems
```csharp
public IEnumerable AddedItems { get; }
```
##### Summary
The list of items being added to the selection ("selected").

#### RemovedItems
```csharp
public IEnumerable RemovedItems { get; }
```
##### Summary
The list of items being removed from the selection ("deselected").

### Delegates
#### SelectionChangedEventHandler
```csharp
public delegate void SelectionChangedEventHandler(object sender, CollectionSelectionChangedEventArgs e)
```
##### Arguments
| Type | Name | Description |
| --- | --- | --- |
| `object` | sender |   |
| [`CollectionSelectionChangedEventArgs`](CollectionSelectionChangedEventArgs) | e |   |

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