ItemsSourceView.IndexFromKey(String) Method
Definition
Important
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Retrieves the index of the item that has the specified unique identifier (key).
public:
virtual int IndexFromKey(Platform::String ^ key) = IndexFromKey;int IndexFromKey(winrt::hstring const& key);public int IndexFromKey(string key);function indexFromKey(key)Public Function IndexFromKey (key As String) As IntegerParameters
- key
-
String
Platform::String
winrt::hstring
The unique identifier (key) of the item to find the index of.
Returns
Int32
int
The index of the item with the specified key.
Remarks
Check that the HasKeyIndexMapping property is true before calling this method. If the data source does not support unique IDs (key values), this method causes a NotImplementedException.