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Course Content


In C Sharp, interfaces are a type of class that provides a way to interact with an object. Interfaces are the bridge between code and the object that is being used. They provide methods and properties to access the object’s data and functionality.

The different types of interfaces are:

  • Console: The console interface is a text-based interface that can be accessed from a command line. It allows users to interact with the operating system through standard input and output streams, such as reading from the keyboard or writing to screen.
  • Graphical User Interface (GUI): The graphical user interface (GUI) allows users to interact with an application through visual elements such as windows, icons, menus, buttons, etc.
  • Command Line Interface (CLI): The command line interface (CLI) allows users to enter commands for the operating system by typing.

In order to create an interface in C Sharp, you need to have a class that inherits from the System.Windows.Forms.Form class and then add the following code:

  • public partial class Form1 : Form {
  • public Form1() { InitializeComponent(); }
  • public void ShowMessage(string message) { MessageBox.Show(message); }
  • }

In C Sharp, you can use the interface object to interact with a user. The following code example shows how to create an interface object:

  • var myInterface = new Interface();
  • myInterface.showMessage("Hello world!");
  • myInterface.hideMessage();
  • myInterface.getText("Hello");
  • myInterface.getText("World!");
  • myInterface.setText("Hi");

Interfaces in C Sharp have many benefits such as providing a better usability, designing better user interfaces, making it easier for developers to use the code and reducing the time it takes to build an application.

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