ww$$ PROBLEM DESCRIPTION AND REQUIRwEMENTS:

A nutrition specialist keeps track of his patients$$ details in order to facilitate the process of following$-$up with them. He has just purchased a computer for his new automated management system. You$$ve been asked to develop the new system. You are to develop a visual basic application to access the available file system, read and write to its text file information about the specialist$$s consultations.

The current file system consists of a single file, which holds data in the following format:

PatientID, Name, CPR$,$ Gender, Telephone, VisitDate, Weight, Observations

$$ A$.$ The application should enable the user to:

$1.$ Open an existing file using openDialog $2$ marks

$2.$ Create new files using saveDialog $2$ marks

$3.$ Record a new patients$$ info in the file by writing a new line with the needed info. $5$ marks

$4.$ Close the file and save the changes$/$updates$.1$ mark

$5.$ Read data from the file line by line and display a table reporting the recorded patient$$s consultations info, as shown in the following table. $10$ marks

$$ B$.$ Design an appropriate GUI that simplifies the use of the system. Make use of the different controls available such as: MenuStrip, listbox, textbox, label, button, etc. $4$ Marks

$$ C$.$ Give appropriate names to the variables and controls. $0\mathrm{.}5$ Mark

$$ D$.$ Import the needed libraries $1$ Mark

$$ E$.$ Validate the user input $4$ Marks

$$ F$.$ Write and invoke any required method $($i$.$e$.$ subroutines or functions$)$ i need the full code for this question in details