How to resolve the algorithm Window creation step by step in the C# programming language

Published on 12 May 2024 09:40 PM

How to resolve the algorithm Window creation step by step in the C# programming language

Table of Contents

Problem Statement

Display a GUI window. The window need not have any contents, but should respond to requests to be closed.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Window creation step by step in the C# programming language

The provided C# code creates a simple graphical user interface (GUI) window using the Windows Forms library. A step-by-step explanation of the code:

  1. Namespaces: The code uses the System and System.Windows.Forms namespaces. These namespaces provide access to the core functionality and Windows Forms controls, respectively.

  2. Main Method: The Main method is the entry point of the program. It is decorated with the [STAThread] attribute, which indicates that the thread accessing the Windows API is a single-threaded apartment (STA) thread.

  3. Form Creation: Inside the Main method, a new Form object is created. A form is a top-level window that can contain other controls.

  4. Form Configuration: The Text property of the form is set to "Window" to provide a title for the window.

  5. Exit on Form Close: The Disposed event of the form is subscribed to an event handler using a lambda expression. When the form is closed or disposed of, this handler will execute, calling Application.Exit() to terminate the application.

  6. Form Display: The Show method of the form is called to display the window on the screen.

  7. Application Execution Loop: Finally, Application.Run() is called to start the message loop for the application. This loop handles user input and events related to the window until it is closed.

  8. Event Handling: When the user closes the window, the Disposed event will trigger the event handler, which in turn calls Application.Exit() to terminate the application. This ensures that the application exits gracefully when the window is closed.

Overall, this code creates a basic GUI window with a title and a close button. When the user closes the window, the application exits.

Source code in the csharp programming language

using System;
using System.Windows.Forms;

public class Window {
    [STAThread]
    static void Main() {
        Form form = new Form();
        
        form.Text = "Window";
        form.Disposed += delegate { Application.Exit(); };

        form.Show();
        Application.Run();
    }
}


  

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