🔹 CollectionView Class
namespace Noesis | MSDN
Represents a view for grouping, sorting, filtering, and navigating a data collection.
Properties
| Name | Description |
|---|---|
| ◆ Count | Gets the number of records in the view |
| ◆ CanFilter | Gets a value that indicates whether this view supports filtering via the Filter property |
| ◆ CanGroup | Gets a value that indicates whether this view supports grouping via GroupDescriptions |
| ◆ CanSort | Gets a value that indicates whether this view supports sorting via SortDescriptions |
| ◆ CurrentItem | Gets the current item in the view |
| ◆ CurrentPosition | Gets the ordinal position of the CurrentItem within the view |
| ◆ IsCurrentAfterLast | Gets a value that indicates whether the CurrentItem of the view is beyond the end of the collection |
| ◆ IsCurrentBeforeFirst | Gets a value that indicates whether the CurrentItem of the view is beyond the beginning of the collection |
| ◆ IsEmpty | Returns a value that indicates whether the resulting view is empty. |
◆ Dependency Property ◆ Reflection Property
Attached Properties
CollectionView has no attached properties
Methods
| Name | Description |
|---|---|
| ◆ CollectionChanged() | Occurs when the collection changes |
| ◆ Contains(const BaseComponent*) | Returns a value that indicates whether a given item belongs to this collection view |
| ◆ CurrentChanged() | Occurs after the CurrentItem has changed |
| ◆ GetItemAt(uint32_t) | Retrieves the item at the specified zero-based index in the view |
| ◆ GetSourceCollection() | Returns the underlying unfiltered collection |
| ◆ IndexOf(const BaseComponent*) | Returns the index at which the specified item is located; -1 if the item is unknown |
| ◆ MoveCurrentTo(BaseComponent*) | Sets the specified item to be the CurrentItem in the view |
| ◆ MoveCurrentToFirst() | Sets the first item in the view as the CurrentItem |
| ◆ MoveCurrentToLast() | Sets the last item in the view as the CurrentItem |
| ◆ MoveCurrentToNext() | Sets the item after the CurrentItem in the view as the CurrentItem |
| ◆ MoveCurrentToPosition(int) | Sets the item at the specified index to be the CurrentItem in the view |
| ◆ MoveCurrentToPrevious() | Sets the item before the CurrentItem in the view as the CurrentItem |
| ◆ Refresh() | Recreates the view |
Events
CollectionView has no events
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