MapLayer Class

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Represents a collection of MapOverlay objects.

Inheritance Hierarchy

System..::.Object
System.Collections.ObjectModel..::.Collection<(Of <(MapOverlay>)>)
System.Collections.ObjectModel..::.ObservableCollection<(Of <(MapOverlay>)>)
Microsoft.Phone.Maps.Controls..::.MapLayer

Namespace: Microsoft.Phone.Maps.Controls
Assembly: Microsoft.Phone.Maps (in Microsoft.Phone.Maps.dll)

Syntax

Public NotInheritable Class MapLayer _
    Inherits ObservableCollection(Of MapOverlay)
public sealed class MapLayer : ObservableCollection<MapOverlay>

The MapLayer type exposes the following members.

Constructors

Name Description
MapLayer Initializes a new instance of the MapLayer class.

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Properties

Name Description
Count Gets the number of elements actually contained in the Collection<(Of <(T>)>). (Inherited from Collection<(Of <(T>)>).)
Item Gets or sets the element at the specified index. (Inherited from Collection<(Of <(T>)>).)
Items Gets a IList<(Of <(T>)>) wrapper around the Collection<(Of <(T>)>). (Inherited from Collection<(Of <(T>)>).)

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Methods

Name Description
Add Adds an object to the end of the Collection<(Of <(T>)>). (Inherited from Collection<(Of <(T>)>).)
BlockReentrancy Disallows reentrant attempts to change this collection. (Inherited from ObservableCollection<(Of <(T>)>).)
CheckReentrancy Checks for reentrant attempts to change this collection. (Inherited from ObservableCollection<(Of <(T>)>).)
Clear Removes all elements from the Collection<(Of <(T>)>). (Inherited from Collection<(Of <(T>)>).)
ClearItems Removes all items from the collection. (Inherited from ObservableCollection<(Of <(T>)>).)
Contains Determines whether an element is in the Collection<(Of <(T>)>). (Inherited from Collection<(Of <(T>)>).)
CopyTo Copies the entire Collection<(Of <(T>)>) to a compatible one-dimensional Array, starting at the specified index of the target array. (Inherited from Collection<(Of <(T>)>).)
Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Finalize Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
GetEnumerator Returns an enumerator that iterates through the Collection<(Of <(T>)>). (Inherited from Collection<(Of <(T>)>).)
GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
GetType Gets the Type of the current instance. (Inherited from Object.)
IndexOf Searches for the specified object and returns the zero-based index of the first occurrence within the entire Collection<(Of <(T>)>). (Inherited from Collection<(Of <(T>)>).)
Insert Inserts an element into the Collection<(Of <(T>)>) at the specified index. (Inherited from Collection<(Of <(T>)>).)
InsertItem Inserts an item into the collection at the specified index. (Inherited from ObservableCollection<(Of <(T>)>).)
MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Move Moves the item at the specified index to a new location in the collection. (Inherited from ObservableCollection<(Of <(T>)>).)
MoveItem Moves the item at the specified index to a new location in the collection. (Inherited from ObservableCollection<(Of <(T>)>).)
OnCollectionChanged Raises the CollectionChanged event with the provided event data. (Inherited from ObservableCollection<(Of <(T>)>).)
OnPropertyChanged Raises the PropertyChanged event with the provided arguments. (Inherited from ObservableCollection<(Of <(T>)>).)
Remove Removes the first occurrence of a specific object from the Collection<(Of <(T>)>). (Inherited from Collection<(Of <(T>)>).)
RemoveAt Removes the element at the specified index of the Collection<(Of <(T>)>). (Inherited from Collection<(Of <(T>)>).)
RemoveItem Removes the item at the specified index from the collection. (Inherited from ObservableCollection<(Of <(T>)>).)
SetItem Replaces the item at the specified index. (Inherited from ObservableCollection<(Of <(T>)>).)
ToString Returns a string that represents the current object. (Inherited from Object.)

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Events

Name Description
CollectionChanged Occurs when an item in the collection changes, or the entire collection changes. (Inherited from ObservableCollection<(Of <(T>)>).)
PropertyChanged Occurs when a property on an individual item in the collection changes. (Inherited from ObservableCollection<(Of <(T>)>).)

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Explicit Interface Implementations

Name Description
ICollection..::.CopyTo Copies the elements of the ICollection to an Array, starting at a particular Array index. (Inherited from Collection<(Of <(T>)>).)
ICollection<(Of <(T>)>)..::.IsReadOnly Gets a value indicating whether the ICollection<(Of <(T>)>) is read-only. (Inherited from Collection<(Of <(T>)>).)
ICollection..::.IsSynchronized Gets a value indicating whether access to the ICollection is synchronized (thread safe). (Inherited from Collection<(Of <(T>)>).)
ICollection..::.SyncRoot Gets an object that can be used to synchronize access to the ICollection. (Inherited from Collection<(Of <(T>)>).)
IEnumerable..::.GetEnumerator Returns an enumerator that iterates through a collection. (Inherited from Collection<(Of <(T>)>).)
IList..::.Add Adds an item to the IList. (Inherited from Collection<(Of <(T>)>).)
IList..::.Contains Determines whether the IList contains a specific value. (Inherited from Collection<(Of <(T>)>).)
IList..::.IndexOf Determines the index of a specific item in the IList. (Inherited from Collection<(Of <(T>)>).)
IList..::.Insert Inserts an item into the IList at the specified index. (Inherited from Collection<(Of <(T>)>).)
IList..::.IsFixedSize Gets a value indicating whether the IList has a fixed size. (Inherited from Collection<(Of <(T>)>).)
IList..::.IsReadOnly Gets a value indicating whether the IList is read-only. (Inherited from Collection<(Of <(T>)>).)
IList..::.Item Gets or sets the element at the specified index. (Inherited from Collection<(Of <(T>)>).)
IList..::.Remove Removes the first occurrence of a specific object from the IList. (Inherited from Collection<(Of <(T>)>).)
INotifyPropertyChanged..::.PropertyChanged Occurs when a property value changes. (Inherited from ObservableCollection<(Of <(T>)>).)

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Remarks

MapLayer.Move() method has not been implemented.

Capabilities

If you use this API in your app, you must specify the following capabilities in the app manifest. Otherwise, your app might not work correctly or it might exit unexpectedly.

ID_CAP_MAP

Windows Phone 8

For more info, see App capabilities and hardware requirements for Windows Phone 8.

Version Information

Windows Phone OS

Supported in: 8.1, 8.0

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

See Also

Reference

Microsoft.Phone.Maps.Controls Namespace