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This C# code represents a Windows Forms application that utilizes the Task Parallel Library (TPL) and asynchronous programming to perform a lengthy computation in the background while providing updates to the user interface. The Form1 class is the main form of the application. It includes a button (btnStartTask) to initiate a long-running task, another button (btnCancelTask) to cancel the ongoing task, a label (lblFinalResult) to display the final result, an intermediate label (lblIntermediatoryResult) to show the current progress, and a progress bar (progressBar1) to visualize the progress. The LongWork method simulates a time-consuming task by iterating through a loop, performing a small computation, and updating the UI with the intermediate result. The task can be canceled using a CancellationToken (cts) to gracefully stop the execution. The btnStartTask_Click event handler is triggered when the user clicks the "Start Task" button. It creates a new Task of int that represents the long-running computation, starts the task, and awaits its completion asynchronously. During the execution, the intermediate results are broadcasted through an event (BroadcastInfo), which is handled by the HandleBroadcast method to update the UI in a thread-safe manner. If the user clicks the "Cancel Task" button (btnCancelTask_Click), the cancellation token is signaled (cts.Cancel()), which stops the ongoing task. The final result is displayed in the lblFinalResult label, and if the task was canceled, a message box is shown to notify the user. Overall, this code demonstrates a responsive UI using asynchronous programming, enabling the execution of time-consuming tasks in the background while providing real-time updates to the user. My Website: www.supernovaservices.com My Phone Number: +91-9331897923