IAsyncActionWithProgress<TProgress>.Progress Property


Gets or sets the callback method that receives progress notification.

AsyncActionProgressHandler<TProgress> Progress();

void Progress(AsyncActionProgressHandler<TProgress> handler);
public AsyncActionProgressHandler<TProgress> Progress { get; set; }
Public Property Progress As AsyncActionProgressHandler(Of TProgress)

Property Value


A reference to the callback method that handles progress notifications. Implement the AsyncActionProgressHandler(TProgress) delegate to define your callback. TProgress defines the progress unit type, which varies by method implementation.


For example C++/WinRT code illustrating how to handle the Progress event, see Delegate types for asynchronous actions and operations.

Applies to

See also