Class ObservableCollection<U>

Observable generic collection.

Inheritance
System.Object
ObservableCollectionBase<U>
ObservableCollection<U>
BarCollection
Inherited Members
Namespace: Syncfusion.Windows.Forms.Tools.Navigation
Assembly: Syncfusion.Tools.Windows.dll
Syntax
public class ObservableCollection<U> : ObservableCollectionBase<U> where U : INotifyPropertyChanged
Type Parameters
Name Description
U

Observable Collection
Remarks

Item must implement System.ComponentModel.INotifyPropertyChanged.

Constructors

ObservableCollection()

Declaration
public ObservableCollection()

Methods

InsertItem(Int32, U)

Inserts an element into the System.Collections.ObjectModel.Collection at the specified index.

Declaration
protected override void InsertItem(int index, U item)
Parameters
Type Name Description
System.Int32 index

The zero-based index at which item should be inserted.
U item

The object to insert. The value can be null for reference types.
Overrides
Syncfusion.Windows.Forms.Tools.Navigation.ObservableCollectionBase<U>.InsertItem(System.Int32, U)
Exceptions
Type Condition
System.ArgumentOutOfRangeException

index is less than zero.-or-index is greater than System.Collections.ObjectModel.Collection.Count.

RemoveItem(Int32)

Removes the element at the specified index of the System.Collections.ObjectModel.Collection.

Declaration
protected override void RemoveItem(int index)
Parameters
Type Name Description
System.Int32 index

The zero-based index of the element to remove.
Overrides
Syncfusion.Windows.Forms.Tools.Navigation.ObservableCollectionBase<U>.RemoveItem(System.Int32)
Exceptions
Type Condition
System.ArgumentOutOfRangeException

index is less than zero.-or-index is equal to or greater than System.Collections.ObjectModel.Collection.Count.

SetItem(Int32, U)

Replaces the element at the specified index.

Declaration
protected override void SetItem(int index, U item)
Parameters
Type Name Description
System.Int32 index

The zero-based index of the element to replace.
U item

The new value for the element at the specified index. The value can be null for reference types.
Overrides
Syncfusion.Windows.Forms.Tools.Navigation.ObservableCollectionBase<U>.SetItem(System.Int32, U)
Exceptions
Type Condition
System.ArgumentOutOfRangeException

index is less than zero.-or-index is greater than System.Collections.ObjectModel.Collection.Count.

Events

ItemPropertyChanged

Occurs when property of item within the collection is changed.

Declaration
public event PropertyChangedEventHandler ItemPropertyChanged
Event Type
Type
System.ComponentModel.PropertyChangedEventHandler