Task.CompletedTask Property  
Definition
Important
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Gets a task that has already completed successfully.
public:
 static property System::Threading::Tasks::Task ^ CompletedTask { System::Threading::Tasks::Task ^ get(); };public static System.Threading.Tasks.Task CompletedTask { get; }static member CompletedTask : System.Threading.Tasks.TaskPublic Shared ReadOnly Property CompletedTask As TaskProperty Value
The successfully completed task.
Remarks
This property returns a task whose Status property is set to RanToCompletion. To create a task that returns a value and runs to completion, call the FromResult method.
Repeated attempts to retrieve this property value may not always return the same instance.