NativeActivity<TResult>::Execute Method (NativeActivityContext^)
.NET Framework (current version)
When implemented in a derived class, runs the activity’s execution logic.
Assembly: System.Activities (in System.Activities.dll)
Parameters
- context
-
Type:
System.Activities::NativeActivityContext^
The execution context in which the activity executes.
The following code sample demonstrates using Execute in a class that inherits from NativeActivity<TResult>. This example is from the Non-Generic ParallelForEach sample.
protected override void Execute(NativeActivityContext context) { IEnumerable values = this.Values.Get(context); if (values == null) { throw new InvalidOperationException("ParallelForEach requires a non-null Values argument."); } IEnumerator valueEnumerator = values.GetEnumerator(); CompletionCallback onBodyComplete = new CompletionCallback(OnBodyComplete); while (valueEnumerator.MoveNext()) { if (this.Body != null) { context.ScheduleAction(this.Body, valueEnumerator.Current, onBodyComplete); } } IDisposable disposable = valueEnumerator as IDisposable; if (disposable != null) { disposable.Dispose(); } }
.NET Framework
Available since 4.0
Available since 4.0
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