UIElementWeakCollection Class
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Represents a collection of weak references to UIElement objects.
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 524288)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class UIElementWeakCollection : IIterable<UIElement>, IVector<UIElement>[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 524288)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public class UIElementWeakCollection : IEnumerable<UIElement>, IList<UIElement>Public Class UIElementWeakCollection
Implements IEnumerable(Of UIElement), IList(Of UIElement)- Inheritance
- Attributes
- Implements
Windows requirements
| Device family |
Windows 10, version 1903 (introduced in 10.0.18362.0)
|
| API contract |
Windows.Foundation.UniversalApiContract (introduced in v8.0)
|
Remarks
This class is used by the ThemeShadow.Receivers property.
Constructors
| UIElementWeakCollection() |
Initializes a new instance of the UIElementWeakCollection class. |
Properties
| Size |
Gets the size (count) of the collection. |
Methods
| Append(UIElement) |
Adds a new item to the collection. |
| Clear() |
Removes all items from the collection. |
| First() |
Returns an iterator for the items in the collection. |
| GetAt(UInt32) |
Returns the item located at the specified index. |
| GetMany(UInt32, UIElement[]) |
Retrieves multiple elements in a single pass through the iterator. |
| GetView() |
Gets an immutable view into the collection. |
| IndexOf(UIElement, UInt32) |
Retrieves the index of the specified item. |
| InsertAt(UInt32, UIElement) |
Inserts the specified item at the specified index. |
| RemoveAt(UInt32) |
Removes the item at the specified index. |
| RemoveAtEnd() |
Removes the last item in the collection. |
| ReplaceAll(UIElement[]) |
Initially clears the collection, then inserts the provided array as new items. |
| SetAt(UInt32, UIElement) |
Sets the value at the specified index to the specified UIElement value. |