State a circumstance under which each of the following statements are used in a visual basic program: (6 marks)
(i) ReDim;
(ii) Option base;
(iii) Preserve.
(Answered) Write a Visual Basic program that accepts percentage score in an examination through the use of an input box function. The program then displays a remark based on the following criteria. Use case statement. (5 marks)
Score remarks
0-40 Failed
41-50 Pass
51-70 Credit
Above 70 Distinction(Answered) State two differences between the unload method and Hide method as used in Visual Basic program forms.(Answered) Distinguish between function procedure and event procedure as used in Visual Basic programming language.(Answered) Explain each of the following error handling methods used in Visual Basic programming language (6 marks)
i. Err.Number,
ii. Err.Clear,
iii. On Error-GoTo(Answered) Explain the function of each of the following IDE interface of a visual basic program: (6 marks)
(i) Form window;
(ii) Property window;
(iii) Form layout window.(Answered) State the visual basic conversion type function used to convert a string of the following statement in a visual basic program: (4 marks)
(i) Boolean data;
(ii) Currency;
(iii) Date data;
(iv) Integer data.(Answered) Explain each of the following types of controls in a Visual Basic program (4 marks)
(i) DriveListBox
(ii) DirListBox(Answered) Write a program in visual basic that accepts a name and a score of six students in a test
through the use of inputbox(). The program should then display the names, scores and the average scores on a picturebox. Attach the code to a command button(Answered)
