Input Output Box

7/29/2019 Input Output Box

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INPUT & OUTPUT

BOX


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Input and Output boxare the

built-in functions (or internalfunctions) created in Visual

Basic.

BOX


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An input boxis a specially designed

dialog box that allows the

programmer to request a valuefrom the user and use that value as

necessary.

INPUT BOX


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Message/

prompt

Text box

Command

Button

Command

Button

Title bar

The Interface


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It contains:

A message/prompt - to indicate the

requested value.A textbox for user to enter data.

2 command buttons (Ok, Cancel) - used to

accept or cancel input data.

A Title to show the title of the input box

INPUT BOX


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InputBox (prompt, title , default option , x position, y position)

SYNTAX/CODE

Argument Description

Prompt String expression displayed as the message in

the dialog box. It is required.

Title String expression displayed in the title bar of the

dialog box.

Default option String expression displayed in the text box as the

default response if no other input is provided. Ifyou omit default option, the text box is displayedempty.

x position, y

position

Numeric expressions that specify custom

positioning of the box on screen.


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Design the application as shown below:

Lets try to apply the inputboxfunction

Label

name : lblShow

Caption : Show Name Here

Command button

Name : cmdInput

Caption : Input


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Now, we can use the inputboxfunction

Double click button and writethe following code:

Dim Nama As StringNama = InputBox(Enter your full name: )

Run your program


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1. Click Inputbutton

Then the input box will appear as shown below

Message/prompt


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Stop your program, back to your coding and addthe following blue colourcode:

InputBox(Enter your full name: , Input Name)

Run your program again and find the changes that

happen in the input box

Lets try to add title to the inputbox


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The title will change


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Lets try to add default optionto the input box

the default option will display a default value in thetextbox of the input box.

Stop your program, back to your coding and add

the following blue colourcode:

InputBox(Enter your full name: , Input Name

, UPPER CASE ONLY)

Run your program again and find the changes that

happen in the input box


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Default value


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Lets try to add positionto the input box


InputBox(Enter your full name: , Input Name ,

, UPPER CASE ONLY, 10,3000)

Run your program again.


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What happen to the

input box?


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The code will change

the position of the

input box


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So, the syntax of the input box

function is:

InputBox(Prompt, title, default

option,x position, y position)


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exercise

How to show your name on the

label you created before?


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the following code. Make sure you add the code

after the Inputbox function code.

lblShow.Caption = nama

Run your program again.


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1. Click button

input

3. Click button

OK

2. Enter your

name


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Whatever you entered

in the textbox will

appear here


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The function of Output box :

Display information to the user. A

useful dialog box function fordisplaying output is the MsgBox

(Message box)

OUTPUT BOX


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Icon

message

Button

Title bar


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MsgBox(Message) , Button type + icon type ,title

SYNTAX/CODE

Argument Description

Message String expression displayed as the messagein the Message box. It is required

Button , icon Numeric expression that is the sum of values

specifying the number and type of buttons to

display and the icon style to use.

title String expression displayed in the title bar of

the dialog box. If you omit title, theapplication name is placed in the title bar.


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Continue the previous exercise (input box). Applythe following code. Make sure you write the code

below the previous code (lblShow.Caption = nama)

MsgBox(Hello )

Run your program

Lets try to apply the outputboxfunction


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The pop up message will appear as shown below


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Button & Icon in theoutputbox function


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BUTTONok0

ok, Cancel1

Abort, Retry, Ignore2

Yes, No, Cancel3

Yes, No4Retry, Cancel5


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ICON

16

32

48

64


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MsgBox(Hello ), 3 + 32

Run your program.

Lets try to apply button & icon in theoutputbox function


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Icon

Button


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MsgBox(Hello ) , 3 + 32 , Message Box

Run your program.

Lets try to add title in the outputboxfunction


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The title will appear

here


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So, the syntax of the output box

function is:

MsgBox(Message) , button+icon, title

How to add name in the Output


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How to add name in the Outputbox


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the following blue colourcode:

MsgBox(Hello ) & nama, 3 + 32 , Message Box

Run your application


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Thats all for todayThank you!

Input Output Box

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