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The InputBox function prompts the users to enter values. After entering the values, if the user clicks the OK button or presses ENTER on the keyboard, the InputBox function will return the text in the text box. If the user clicks the Cancel button, the function will return an empty string (“”).

Syntax

InputBox(prompt[,title][,default][,xpos][,ypos][,helpfile,context])

Parameter Description

• Prompt − A required parameter. A String that is displayed as a message in the dialog box. The maximum length of prompt is approximately 1024 characters. If the message extends to more than a line, then the lines can be separated using a carriage return character (Chr(13)) or a linefeed character (Chr(10)) between each line.
• Title − An optional parameter. A String expression displayed in the title bar of the dialog box. If the title is left blank, the application name is placed in the title bar.
• Default − An optional parameter. A default text in the text box that the user would like to be displayed.
• XPos − An optional parameter. The position of X axis represents the prompt distance from the left side of the screen horizontally. If left blank, the input box is horizontally centered.
• YPos − An optional parameter. The position of Y axis represents the prompt distance from the left side of the screen vertically. If left blank, the input box is vertically centered.
• Helpfile − An optional parameter. A String expression that identifies the helpfile to be used to provide context-sensitive Help for the dialog box.
• context − An optional parameter. A Numeric expression that identifies the Help context number assigned by the Help author to the appropriate Help topic. If context is provided, helpfile must also be provided.

Example

Let us calculate the area of a rectangle by getting values from the user at run time with the help of two input boxes (one for length and one for width).

Function findArea() 
   Dim Length As Double 
   Dim Width As Double 
   
   Length = InputBox("Enter Length ", "Enter a Number") 
   Width = InputBox("Enter Width", "Enter a Number") 
   findArea = Length * Width 
End Function

Output

Step 1 − To execute the same, call using the function name and press Enter as shown in the following screenshot.

Step 2 − Upon execution, the First input box (length) is displayed. Enter a value into the input box.

Step 3 − After entering the first value, the second input box (width) is displayed.

Step 4 − Upon entering the second number, click the OK button. The area is displayed as shown in the following screenshot.

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