Initiates the asynchronous execution of the UpdateItem operation.
This is an asynchronous operation using the standard naming convention for .NET 4.5 or higher. For .NET 3.5 the operation is implemented as a pair of methods using the standard naming convention of BeginUpdateItem and EndUpdateItem.
public Task<Document> UpdateItemAsync( Document doc, CancellationToken cancellationToken )
Attributes to update.
Token which can be used to cancel the task.
Supported in: 1.3
Supported in: 4.5
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms