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Create a WPF app that functions as a simple username and password login box.

Requirements:
- Upon clicking "Login," display a message box indicating "correct login" if the credentials are correct.
- Display a message box indicating "incorrect login" for incorrect credentials.
- The program will exit upon a correct login.

Note: You can hard-code the username and password.

Answer :

Final answer:

To create a simple username and password login box in a WPF app: use TextBox for user input, compare entered values to hard-coded values in the button's Click event handler, display a MessageBox accordingly.

Explanation:

To create a simple username and password login box in a WPF app, you can use the TextBox control to allow the user to input their username and password, and a Button control for the Login button.

In the button's Click event handler, you can compare the entered username and password with the hard-coded values. If they match, you can display a MessageBox indicating a correct login and exit the application. If they don't match, you can display a MessageBox indicating an incorrect login.

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